100066656565160 has 32 divisors (see below), whose sum is σ = 227142454956840. Its totient is φ = 39672444370944.

The previous prime is 100066656565153. The next prime is 100066656565189. The reversal of 100066656565160 is 61565656660001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17336680822756 + 82729975742404 = 4163734^2 + 9095602^2 .

It is a super-2 number, since 2×100066656565160² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11069315897 + ... + 11069324936.

Almost surely, 2^{100066656565160} is an apocalyptic number.

100066656565160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100066656565160 is an abundant number, since it is smaller than the sum of its proper divisors (127075798391680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100066656565160 is a wasteful number, since it uses less digits than its factorization.

100066656565160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22138640957 (or 22138640953 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 100066656565160 in words is "one hundred trillion, sixty-six billion, six hundred fifty-six million, five hundred sixty-five thousand, one hundred sixty".