18895133132 has 12 divisors (see below), whose sum is σ = 33285467376. Its totient is φ = 9384999600.

The previous prime is 18895133119. The next prime is 18895133161. The reversal of 18895133132 is 23133159881.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15641063 + ... + 15642270.

It is an arithmetic number, because the mean of its divisors is an integer number (2773788948).

Almost surely, 2^18895133132 is an apocalyptic number.

It is an amenable number.

18895133132 is a deficient number, since it is larger than the sum of its proper divisors (14390334244).

18895133132 is a wasteful number, since it uses less digits than its factorization.

18895133132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31283488 (or 31283486 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The spelling of 18895133132 in words is "eighteen billion, eight hundred ninety-five million, one hundred thirty-three thousand, one hundred thirty-two".