6664562630 has 24 divisors (see below), whose sum is σ = 13185922176. Its totient is φ = 2423476880.

The previous prime is 6664562629. The next prime is 6664562719. The reversal of 6664562630 is 362654666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2752742 + ... + 2755161.

It is an arithmetic number, because the mean of its divisors is an integer number (549413424).

Almost surely, 2^6664562630 is an apocalyptic number.

6664562630 is a deficient number, since it is larger than the sum of its proper divisors (6521359546).

6664562630 is a wasteful number, since it uses less digits than its factorization.

6664562630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507932 (or 5507921 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 44.

The square root of 6664562630 is about 81636.7725354206. The cubic root of 6664562630 is about 1881.8740394978.

The spelling of 6664562630 in words is "six billion, six hundred sixty-four million, five hundred sixty-two thousand, six hundred thirty".