5815623664 has 40 divisors (see below), whose sum is σ = 11939454080. Its totient is φ = 2736504000.

The previous prime is 5815623659. The next prime is 5815623677. The reversal of 5815623664 is 4663265185.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17442 + ... + 109249.

It is an arithmetic number, because the mean of its divisors is an integer number (298486352).

Almost surely, 2^5815623664 is an apocalyptic number.

It is an amenable number.

5815623664 is an abundant number, since it is smaller than the sum of its proper divisors (6123830416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5815623664 is a wasteful number, since it uses less digits than its factorization.

5815623664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126869 (or 126863 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 46.

The square root of 5815623664 is about 76260.2364538689. The cubic root of 5815623664 is about 1798.3136123166.

The spelling of 5815623664 in words is "five billion, eight hundred fifteen million, six hundred twenty-three thousand, six hundred sixty-four".