656115054 has 32 divisors (see below), whose sum is σ = 1522081536. Its totient is φ = 184662720.

The previous prime is 656115007. The next prime is 656115067. The reversal of 656115054 is 450511656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113767 + ... + 119394.

It is an arithmetic number, because the mean of its divisors is an integer number (47565048).

Almost surely, 2^656115054 is an apocalyptic number.

656115054 is an abundant number, since it is smaller than the sum of its proper divisors (865966482).

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

656115054 is a wasteful number, since it uses less digits than its factorization.

656115054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233240.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 656115054 is about 25614.7429032579. The cubic root of 656115054 is about 868.9470919457.

The spelling of 656115054 in words is "six hundred fifty-six million, one hundred fifteen thousand, fifty-four".