2656662004 has 24 divisors (see below), whose sum is σ = 4895626400. Its totient is φ = 1257962400.

The previous prime is 2656661999. The next prime is 2656662011. The reversal of 2656662004 is 4002666562.

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, 303562 + ... + 312190.

Almost surely, 2^2656662004 is an apocalyptic number.

It is an amenable number.

2656662004 is a deficient number, since it is larger than the sum of its proper divisors (2238964396).

2656662004 is a wasteful number, since it uses less digits than its factorization.

2656662004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12703 (or 12701 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 2656662004 is about 51542.8171911470. The cubic root of 2656662004 is about 1384.9861639805.

The spelling of 2656662004 in words is "two billion, six hundred fifty-six million, six hundred sixty-two thousand, four".