It has no name other than "ten to the sixty-fourth".
2 to the 64th power is written as 2*1064 in scientific notation.
A 64th note in music is called a Hemidemisemi Quaver.
3.43 X 1030
464 = 3.4336838e+30
The answer is 128
10 to the 18th power is called Quintrillion
10 to the 21st power is called one sextillion.
10 to the power of 120 (10120) is called one hundred octovigintillion.
66
4 to the 2nd power, to the 6th power is the same thing as 4 to the 64th power, which is 6.33 x 1049. (6.33 is estimated to the hundredth power)
Ten to the 24th power, 1024, is called ten to the 24th power.
exponents multiply together in this case. Ie (10^10)^10=10^100