656562464425 has 24 divisors (see below), whose sum is σ = 936369233216. Its totient is φ = 447346635840.

The previous prime is 656562464387. The next prime is 656562464443. The reversal of 656562464425 is 524464265656.

It is not a de Polignac number, because 656562464425 - 2¹¹ = 656562462377 is a prime.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 11920887 + ... + 11975836.

Almost surely, 2^656562464425 is an apocalyptic number.

It is an amenable number.

656562464425 is a deficient number, since it is larger than the sum of its proper divisors (279806768791).

656562464425 is a wasteful number, since it uses less digits than its factorization.

656562464425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23896897 (or 23896892 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 55.

The spelling of 656562464425 in words is "six hundred fifty-six billion, five hundred sixty-two million, four hundred sixty-four thousand, four hundred twenty-five".