6684624368 has 20 divisors (see below), whose sum is σ = 12953201448. Its totient is φ = 3341862720.

The previous prime is 6684624367. The next prime is 6684624391. The reversal of 6684624368 is 8634264866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6684624367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117455 + ... + 164817.

Almost surely, 2^6684624368 is an apocalyptic number.

It is an amenable number.

6684624368 is a deficient number, since it is larger than the sum of its proper divisors (6268577080).

6684624368 is a wasteful number, since it uses less digits than its factorization.

6684624368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56192 (or 56186 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 53.

The square root of 6684624368 is about 81759.5521514153. The cubic root of 6684624368 is about 1883.7604271017.

The spelling of 6684624368 in words is "six billion, six hundred eighty-four million, six hundred twenty-four thousand, three hundred sixty-eight".