100491462656 has 48 divisors (see below), whose sum is σ = 216390365100. Its totient is φ = 46380662784.

The previous prime is 100491462641. The next prime is 100491462661. The reversal of 100491462656 is 656264194001.

It can be written as a sum of positive squares in 2 ways, for example, as 99048678400 + 1442784256 = 314720^2 + 37984^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1860611 + ... + 1913858.

Almost surely, 2^100491462656 is an apocalyptic number.

100491462656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100491462656 is an abundant number, since it is smaller than the sum of its proper divisors (115898902444).

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

100491462656 is an equidigital number, since it uses as much as digits as its factorization.

100491462656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774504 (or 3774484 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 100491462656 in words is "one hundred billion, four hundred ninety-one million, four hundred sixty-two thousand, six hundred fifty-six".