a 1 with 22 zeros after it 10,000,000,000,000,000,000,000
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1 followed by 22 0's .
10 to the 8th power divided by 10 to the 7th power is 10
10 to the fourth power.
Some prefixes, which you use with any unit, are:Tera (10 to the power 12)Giga (10 to the power 9)Mega (10 to the power 6)Kilo (10 to the power 3)Hekto (10 to the power 2)Deka (10 to the power 1)Deci (10 to the power -1)Centi (10 to the power -2)Milli (10 to the power -3)Micro (10 to the power -6)Nano (10 to the power -9)Pico (10 to the power -12)You can find a more complete list at the Wikipedia, in the article "SI prefixes".
1.67 x 1022 = 16,700,000,000,000,000,000,000 We don't know whether there's a name for it. It's much easier just to call it "one point six seven times ten to the twenty-second" when you see it.