656656615046 has 16 divisors (see below), whose sum is σ = 996749582400. Its totient is φ = 324411920448.

The previous prime is 656656614989. The next prime is 656656615057. The reversal of 656656615046 is 640516656656.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 656656614982 and 656656615000.

It is a congruent number.

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, 1036430 + ... + 1545153.

It is an arithmetic number, because the mean of its divisors is an integer number (62296848900).

Almost surely, 2^656656615046 is an apocalyptic number.

656656615046 is a deficient number, since it is larger than the sum of its proper divisors (340092967354).

656656615046 is a wasteful number, since it uses less digits than its factorization.

656656615046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583103.

The product of its (nonzero) digits is 23328000, while the sum is 56.

The spelling of 656656615046 in words is "six hundred fifty-six billion, six hundred fifty-six million, six hundred fifteen thousand, forty-six".