656668034 has 16 divisors (see below), whose sum is σ = 1079248320. Its totient is φ = 297179760.

The previous prime is 656668031. The next prime is 656668049. The reversal of 656668034 is 430866656.

656668034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (656668031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60134 + ... + 70209.

It is an arithmetic number, because the mean of its divisors is an integer number (67453020).

Almost surely, 2^656668034 is an apocalyptic number.

656668034 is a deficient number, since it is larger than the sum of its proper divisors (422580286).

656668034 is a wasteful number, since it uses less digits than its factorization.

656668034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130585.

The product of its (nonzero) digits is 622080, while the sum is 44.

The square root of 656668034 is about 25625.5348041753. The cubic root of 656668034 is about 869.1911423503.

The spelling of 656668034 in words is "six hundred fifty-six million, six hundred sixty-eight thousand, thirty-four".