656566006832 has 20 divisors (see below), whose sum is σ = 1272163690896. Its totient is φ = 328265699520.

The previous prime is 656566006819. The next prime is 656566006841. The reversal of 656566006832 is 238600665656.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 765668 + ... + 1378179.

Almost surely, 2^656566006832 is an apocalyptic number.

It is an amenable number.

656566006832 is a deficient number, since it is larger than the sum of its proper divisors (615597684064).

656566006832 is a wasteful number, since it uses less digits than its factorization.

656566006832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162996 (or 2162990 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 656566006832 in words is "six hundred fifty-six billion, five hundred sixty-six million, six thousand, eight hundred thirty-two".