656077164 has 24 divisors (see below), whose sum is σ = 1533385728. Its totient is φ = 218329680.

The previous prime is 656077153. The next prime is 656077171. The reversal of 656077164 is 461770656.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37752 + ... + 52319.

It is an arithmetic number, because the mean of its divisors is an integer number (63891072).

Almost surely, 2^656077164 is an apocalyptic number.

It is an amenable number.

656077164 is an abundant number, since it is smaller than the sum of its proper divisors (877308564).

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

656077164 is a wasteful number, since it uses less digits than its factorization.

656077164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90685 (or 90683 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 656077164 is about 25614.0032794563. The cubic root of 656077164 is about 868.9303646767.

It can be divided in two parts, 65607 and 7164, that added together give a triangular number (72771 = T₃₈₁).

The spelling of 656077164 in words is "six hundred fifty-six million, seventy-seven thousand, one hundred sixty-four".