656055694 has 16 divisors (see below), whose sum is σ = 1128647808. Its totient is φ = 280171512.

The previous prime is 656055689. The next prime is 656055707. The reversal of 656055694 is 496550656.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78832 + ... + 86755.

It is an arithmetic number, because the mean of its divisors is an integer number (70540488).

Almost surely, 2^656055694 is an apocalyptic number.

656055694 is a deficient number, since it is larger than the sum of its proper divisors (472592114).

656055694 is a wasteful number, since it uses less digits than its factorization.

656055694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165879.

The product of its (nonzero) digits is 972000, while the sum is 46.

The square root of 656055694 is about 25613.5841693426. The cubic root of 656055694 is about 868.9208860465.

The spelling of 656055694 in words is "six hundred fifty-six million, fifty-five thousand, six hundred ninety-four".