656656501164 has 24 divisors (see below), whose sum is σ = 1533248713920. Its totient is φ = 218735470224.

The previous prime is 656656501141. The next prime is 656656501247. The reversal of 656656501164 is 461105656656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18735534 + ... + 18770549.

It is an arithmetic number, because the mean of its divisors is an integer number (63885363080).

Almost surely, 2^656656501164 is an apocalyptic number.

It is an amenable number.

656656501164 is an abundant number, since it is smaller than the sum of its proper divisors (876592212756).

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

656656501164 is a wasteful number, since it uses less digits than its factorization.

656656501164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37507549 (or 37507547 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 656656501164 in words is "six hundred fifty-six billion, six hundred fifty-six million, five hundred one thousand, one hundred sixty-four".