18372937416 has 32 divisors (see below), whose sum is σ = 45950025600. Its totient is φ = 6121954880.

The previous prime is 18372937361. The next prime is 18372937423. The reversal of 18372937416 is 61473927381.

It is a happy 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, 83136 + ... + 208943.

It is an arithmetic number, because the mean of its divisors is an integer number (1435938300).

Almost surely, 2^18372937416 is an apocalyptic number.

It is an amenable number.

18372937416 is an abundant number, since it is smaller than the sum of its proper divisors (27577088184).

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

18372937416 is a wasteful number, since it uses less digits than its factorization.

18372937416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294709 (or 294705 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The spelling of 18372937416 in words is "eighteen billion, three hundred seventy-two million, nine hundred thirty-seven thousand, four hundred sixteen".