656112331602 has 80 divisors (see below), whose sum is σ = 1809449433792. Its totient is φ = 173040611040.

The previous prime is 656112331597. The next prime is 656112331649. The reversal of 656112331602 is 206133211656.

656112331602 is a `hidden beast` number, since 6 + 5 + 6 + 1 + 12 + 3 + 31 + 602 = 666.

656112331602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22238424 + ... + 22267907.

Almost surely, 2^656112331602 is an apocalyptic number.

656112331602 is an abundant number, since it is smaller than the sum of its proper divisors (1153337102190).

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

656112331602 is a wasteful number, since it uses less digits than its factorization.

656112331602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44506365 (or 44506356 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 656112331602 in words is "six hundred fifty-six billion, one hundred twelve million, three hundred thirty-one thousand, six hundred two".