18272914194 has 32 divisors (see below), whose sum is σ = 39407578560. Its totient is φ = 5629651200.

The previous prime is 18272914157. The next prime is 18272914241. The reversal of 18272914194 is 49141927281.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1950067 + ... + 1959414.

It is an arithmetic number, because the mean of its divisors is an integer number (1231486830).

Almost surely, 2^18272914194 is an apocalyptic number.

18272914194 is an abundant number, since it is smaller than the sum of its proper divisors (21134664366).

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

18272914194 is a wasteful number, since it uses less digits than its factorization.

18272914194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909546.

The product of its digits is 290304, while the sum is 48.

The spelling of 18272914194 in words is "eighteen billion, two hundred seventy-two million, nine hundred fourteen thousand, one hundred ninety-four".