Zero 600 is 6a.m.
0600 is six o´clock am
The numeral 406 is written "four hundred six" (or four hundred and six). The Peugeot car model is written or pronounced "four-oh-six".
The number 630 is "six hundred thirty." As a year, time, or street address, "six thirty."
Six hundred to 8 hundred.
The numeral 1906 is "one thousand nine hundred (and) six." The year (1906 AD) would be spoken as "nineteen-oh-six."
One hundred thirty thousand, six hundred.
Six tenths or six hundred thousandths.
Most people would say, "Eleven point two three four oh six" but you probably want "Eleven and twenty three thousand four hundred six hundred thousandths
Simple, the word form is: one hundred twenty-three quattuorvigintillion, four hundred forty-four trevigintillion, four hundred forty-four duovigintillion, four hundred forty-four unvigintillion, four hundred forty-four vigintillion, four hundred forty-four novemdecillion, four hundred forty-seven octodecillion, six hundred sixty-six septendecillion, six hundred sixty-six sexdecillion, six hundred sixty-six quindecillion, six hundred sixty-six quattuordecillion, six hundred sixty-six tredecillion, six hundred sixty-six duodecillion, six hundred sixty-six undecillion, six hundred sixty-six decillion, six hundred sixty-six nonillion, six hundred sixty-six octillion, six hundred sixty-six septillion, six hundred sixty-six sextillion, six hundred sixty-six quintillion, six hundred seventy-seven quadrillion, seven hundred seventy-seven trillion, seven hundred seventy-seven billion, seven hundred seventy-seven million, seven hundred seventy-seven thousand, seven hundred seventy-seven.
660,606 though a better written statement is six hundred and sixty thoudand six hundred and six
Six billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-six ten-billionths.