656118005039 has 48 divisors (see below), whose sum is σ = 838387756800. Its totient is φ = 501181924608.

The previous prime is 656118005003. The next prime is 656118005069. The reversal of 656118005039 is 930500811656.

It is not a de Polignac number, because 656118005039 - 2⁸ = 656118004783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656118005069) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129690692 + ... + 129695750.

It is an arithmetic number, because the mean of its divisors is an integer number (17466411600).

Almost surely, 2^656118005039 is an apocalyptic number.

656118005039 is a deficient number, since it is larger than the sum of its proper divisors (182269751761).

656118005039 is a wasteful number, since it uses less digits than its factorization.

656118005039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140 (or 8121 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 656118005039 in words is "six hundred fifty-six billion, one hundred eighteen million, five thousand, thirty-nine".