656240112616 has 16 divisors (see below), whose sum is σ = 1342309321440. Its totient is φ = 298290960240.

The previous prime is 656240112599. The next prime is 656240112659. The reversal of 656240112616 is 616211042656.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3728636916 + ... + 3728637091.

It is an arithmetic number, because the mean of its divisors is an integer number (83894332590).

Almost surely, 2^656240112616 is an apocalyptic number.

It is an amenable number.

656240112616 is an abundant number, since it is smaller than the sum of its proper divisors (686069208824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

656240112616 is a wasteful number, since it uses less digits than its factorization.

656240112616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7457274024 (or 7457274020 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 656240112616 in words is "six hundred fifty-six billion, two hundred forty million, one hundred twelve thousand, six hundred sixteen".