656164023230616 has 64 divisors (see below), whose sum is σ = 1792933953454080. Its totient is φ = 199214883709440.

The previous prime is 656164023230591. The next prime is 656164023230621. The reversal of 656164023230616 is 616032320461656.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25939425336 + ... + 25939450631.

It is an arithmetic number, because the mean of its divisors is an integer number (28014593022720).

Almost surely, 2^{656164023230616} is an apocalyptic number.

It is an amenable number.

656164023230616 is an abundant number, since it is smaller than the sum of its proper divisors (1136769930223464).

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

656164023230616 is a wasteful number, since it uses less digits than its factorization.

656164023230616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51878876024 (or 51878876020 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 51.

The spelling of 656164023230616 in words is "six hundred fifty-six trillion, one hundred sixty-four billion, twenty-three million, two hundred thirty thousand, six hundred sixteen".