5256604664 has 16 divisors (see below), whose sum is σ = 9858002400. Its totient is φ = 2627804032.

The previous prime is 5256604637. The next prime is 5256604673. The reversal of 5256604664 is 4664066525.

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 3 ways as a sum of consecutive naturals, for example, 15377 + ... + 103680.

It is an arithmetic number, because the mean of its divisors is an integer number (616125150).

Almost surely, 2^5256604664 is an apocalyptic number.

It is an amenable number.

5256604664 is a deficient number, since it is larger than the sum of its proper divisors (4601397736).

5256604664 is a wasteful number, since it uses less digits than its factorization.

5256604664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124582 (or 124578 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The square root of 5256604664 is about 72502.4459173620. The cubic root of 5256604664 is about 1738.7418420457.

The spelling of 5256604664 in words is "five billion, two hundred fifty-six million, six hundred four thousand, six hundred sixty-four".