656111413612 has 36 divisors (see below), whose sum is σ = 1219831024720. Its totient is φ = 308727385344.

The previous prime is 656111413609. The next prime is 656111413621. The reversal of 656111413612 is 216314111656.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14912398 + ... + 14956330.

Almost surely, 2^656111413612 is an apocalyptic number.

It is an amenable number.

656111413612 is a deficient number, since it is larger than the sum of its proper divisors (563719611108).

656111413612 is a wasteful number, since it uses less digits than its factorization.

656111413612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56890 (or 56871 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The spelling of 656111413612 in words is "six hundred fifty-six billion, one hundred eleven million, four hundred thirteen thousand, six hundred twelve".