18539076158 has 24 divisors (see below), whose sum is σ = 28737057528. Its totient is φ = 8969159472.

The previous prime is 18539076151. The next prime is 18539076161. The reversal of 18539076158 is 85167093581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18539076151) 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, 372260 + ... + 419112.

It is an arithmetic number, because the mean of its divisors is an integer number (1197377397).

Almost surely, 2^18539076158 is an apocalyptic number.

18539076158 is a deficient number, since it is larger than the sum of its proper divisors (10197981370).

18539076158 is a wasteful number, since it uses less digits than its factorization.

18539076158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47048 (or 47005 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 18539076158 in words is "eighteen billion, five hundred thirty-nine million, seventy-six thousand, one hundred fifty-eight".