18912976604 has 12 divisors (see below), whose sum is σ = 33496477224. Its totient is φ = 9342554544.

The previous prime is 18912976571. The next prime is 18912976631. The reversal of 18912976604 is 40667921981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28483067 + ... + 28483730.

It is an arithmetic number, because the mean of its divisors is an integer number (2791373102).

Almost surely, 2^18912976604 is an apocalyptic number.

It is an amenable number.

18912976604 is a deficient number, since it is larger than the sum of its proper divisors (14583500620).

18912976604 is a wasteful number, since it uses less digits than its factorization.

18912976604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56966884 (or 56966882 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 18912976604 in words is "eighteen billion, nine hundred twelve million, nine hundred seventy-six thousand, six hundred four".