656560070568 has 48 divisors (see below), whose sum is σ = 1799607438720. Its totient is φ = 216216567456.

The previous prime is 656560070533. The next prime is 656560070581. The reversal of 656560070568 is 865070065656.

656560070568 is a `hidden beast` number, since 6 + 5 + 6 + 5 + 6 + 0 + 0 + 70 + 568 = 666.

It is a super-2 number, since 2×656560070568² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54927096 + ... + 54939047.

It is an arithmetic number, because the mean of its divisors is an integer number (37491821640).

Almost surely, 2^656560070568 is an apocalyptic number.

It is an amenable number.

656560070568 is an abundant number, since it is smaller than the sum of its proper divisors (1143047368152).

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

656560070568 is a wasteful number, since it uses less digits than its factorization.

656560070568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109866238 (or 109866231 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 656560070568 in words is "six hundred fifty-six billion, five hundred sixty million, seventy thousand, five hundred sixty-eight".