656630014 has 4 divisors (see below), whose sum is σ = 984945024. Its totient is φ = 328315006.

The previous prime is 656629999. The next prime is 656630021. The reversal of 656630014 is 410036656.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164157502 + ... + 164157505.

It is an arithmetic number, because the mean of its divisors is an integer number (246236256).

Almost surely, 2^656630014 is an apocalyptic number.

656630014 is a deficient number, since it is larger than the sum of its proper divisors (328315010).

656630014 is a wasteful number, since it uses less digits than its factorization.

656630014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328315009.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 656630014 is about 25624.7929552611. The cubic root of 656630014 is about 869.1743671137.

The spelling of 656630014 in words is "six hundred fifty-six million, six hundred thirty thousand, fourteen".