5312500664 has 8 divisors (see below), whose sum is σ = 9960938760. Its totient is φ = 2656250328.

The previous prime is 5312500657. The next prime is 5312500709. The reversal of 5312500664 is 4660052135.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 5312500664.

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 as a sum of consecutive naturals, namely, 332031284 + ... + 332031299.

It is an arithmetic number, because the mean of its divisors is an integer number (1245117345).

Almost surely, 2^5312500664 is an apocalyptic number.

It is an amenable number.

5312500664 is a deficient number, since it is larger than the sum of its proper divisors (4648438096).

5312500664 is a wasteful number, since it uses less digits than its factorization.

5312500664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664062589 (or 664062585 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 5312500664 is about 72886.9032405685. The cubic root of 5312500664 is about 1744.8830844238.

Adding to 5312500664 its reverse (4660052135), we get a palindrome (9972552799).

The spelling of 5312500664 in words is "five billion, three hundred twelve million, five hundred thousand, six hundred sixty-four".