18907407183904 has 48 divisors (see below), whose sum is σ = 38022090640128. Its totient is φ = 9251068119552.

The previous prime is 18907407183869. The next prime is 18907407183913. The reversal of 18907407183904 is 40938170470981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8339317 + ... + 10361419.

It is an arithmetic number, because the mean of its divisors is an integer number (792126888336).

Almost surely, 2^{18907407183904} is an apocalyptic number.

It is an amenable number.

18907407183904 is an abundant number, since it is smaller than the sum of its proper divisors (19114683456224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18907407183904 is a wasteful number, since it uses less digits than its factorization.

18907407183904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028377 (or 2028369 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 61.

The spelling of 18907407183904 in words is "eighteen trillion, nine hundred seven billion, four hundred seven million, one hundred eighty-three thousand, nine hundred four".