12663663608 has 32 divisors (see below), whose sum is σ = 23992958160. Its totient is φ = 6265612800.

The previous prime is 12663663599. The next prime is 12663663629. The reversal of 12663663608 is 80636636621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1990160 + ... + 1996512.

Almost surely, 2^12663663608 is an apocalyptic number.

It is an amenable number.

12663663608 is a deficient number, since it is larger than the sum of its proper divisors (11329294552).

12663663608 is a wasteful number, since it uses less digits than its factorization.

12663663608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8927 (or 8923 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 12663663608 in words is "twelve billion, six hundred sixty-three million, six hundred sixty-three thousand, six hundred eight".