6642004624 has 20 divisors (see below), whose sum is σ = 12870377136. Its totient is φ = 3320616992.

The previous prime is 6642004619. The next prime is 6642004627. The reversal of 6642004624 is 4264002466.

It is a self number, because there is not a number n which added to its sum of digits gives 6642004624.

It is not an unprimeable number, because it can be changed into a prime (6642004627) 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, 161427 + ... + 198349.

Almost surely, 2^6642004624 is an apocalyptic number.

It is an amenable number.

6642004624 is a deficient number, since it is larger than the sum of its proper divisors (6228372512).

6642004624 is a wasteful number, since it uses less digits than its factorization.

6642004624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48174 (or 48168 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 6642004624 is about 81498.4946118638. The cubic root of 6642004624 is about 1879.7484030291.

The spelling of 6642004624 in words is "six billion, six hundred forty-two million, four thousand, six hundred twenty-four".