656113004656 has 20 divisors (see below), whose sum is σ = 1292058603304. Its totient is φ = 322678526400.

The previous prime is 656113004641. The next prime is 656113004683. The reversal of 656113004656 is 656400311656.

It is a congruent number.

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, 336122490 + ... + 336124441.

Almost surely, 2^656113004656 is an apocalyptic number.

It is an amenable number.

656113004656 is a deficient number, since it is larger than the sum of its proper divisors (635945598648).

656113004656 is a wasteful number, since it uses less digits than its factorization.

656113004656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672247000 (or 672246994 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 656113004656 in words is "six hundred fifty-six billion, one hundred thirteen million, four thousand, six hundred fifty-six".