656006996 has 48 divisors (see below), whose sum is σ = 1252392960. Its totient is φ = 299518560.

The previous prime is 656006987. The next prime is 656007007. The reversal of 656006996 is 699600656.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 656006996.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901985 + ... + 902711.

It is an arithmetic number, because the mean of its divisors is an integer number (26091520).

Almost surely, 2^656006996 is an apocalyptic number.

It is an amenable number.

656006996 is a deficient number, since it is larger than the sum of its proper divisors (596385964).

656006996 is a wasteful number, since it uses less digits than its factorization.

656006996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 656006996 is about 25612.6335233220. The cubic root of 656006996 is about 868.8993859631.

The spelling of 656006996 in words is "six hundred fifty-six million, six thousand, nine hundred ninety-six".