656270764216 has 16 divisors (see below), whose sum is σ = 1232693317800. Its totient is φ = 327552546144.

The previous prime is 656270764207. The next prime is 656270764223. The reversal of 656270764216 is 612467072656.

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, 72849711 + ... + 72858718.

Almost surely, 2^656270764216 is an apocalyptic number.

It is an amenable number.

656270764216 is a deficient number, since it is larger than the sum of its proper divisors (576422553584).

656270764216 is a wasteful number, since it uses less digits than its factorization.

656270764216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145708998 (or 145708994 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 656270764216 in words is "six hundred fifty-six billion, two hundred seventy million, seven hundred sixty-four thousand, two hundred sixteen".