656113226464 has 48 divisors (see below), whose sum is σ = 1336817124720. Its totient is φ = 316613463040.

The previous prime is 656113226443. The next prime is 656113226471. The reversal of 656113226464 is 464622311656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2120427 + ... + 2410069.

It is an arithmetic number, because the mean of its divisors is an integer number (27850356765).

Almost surely, 2^656113226464 is an apocalyptic number.

It is an amenable number.

656113226464 is an abundant number, since it is smaller than the sum of its proper divisors (680703898256).

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

656113226464 is a wasteful number, since it uses less digits than its factorization.

656113226464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292123 (or 292115 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 46.

The spelling of 656113226464 in words is "six hundred fifty-six billion, one hundred thirteen million, two hundred twenty-six thousand, four hundred sixty-four".