18158930937 has 12 divisors (see below), whose sum is σ = 29976648000. Its totient is φ = 10376531928.

The previous prime is 18158930927. The next prime is 18158930941. The reversal of 18158930937 is 73903985181.

It is not a de Polignac number, because 18158930937 - 2⁴ = 18158930921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18158930927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144118437 + ... + 144118562.

It is an arithmetic number, because the mean of its divisors is an integer number (2498054000).

Almost surely, 2^18158930937 is an apocalyptic number.

It is an amenable number.

18158930937 is a deficient number, since it is larger than the sum of its proper divisors (11817717063).

18158930937 is a wasteful number, since it uses less digits than its factorization.

18158930937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288237012 (or 288237009 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 18158930937 in words is "eighteen billion, one hundred fifty-eight million, nine hundred thirty thousand, nine hundred thirty-seven".