12504660663 has 24 divisors (see below), whose sum is σ = 18427737328. Its totient is φ = 7536672000.

The previous prime is 12504660647. The next prime is 12504660671. The reversal of 12504660663 is 36606640521.

It is not a de Polignac number, because 12504660663 - 2⁴ = 12504660647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504660673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29458 + ... + 160863.

Almost surely, 2^12504660663 is an apocalyptic number.

12504660663 is a deficient number, since it is larger than the sum of its proper divisors (5923076665).

12504660663 is a wasteful number, since it uses less digits than its factorization.

12504660663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190527 (or 190516 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 12504660663 in words is "twelve billion, five hundred four million, six hundred sixty thousand, six hundred sixty-three".