18376665492 has 24 divisors (see below), whose sum is σ = 42886371136. Its totient is φ = 6124485888.

The previous prime is 18376665481. The next prime is 18376665523. The reversal of 18376665492 is 29456667381.

It is a congruent 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, 60448 + ... + 201015.

Almost surely, 2^18376665492 is an apocalyptic number.

18376665492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18376665492 is an abundant number, since it is smaller than the sum of its proper divisors (24509705644).

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

18376665492 is a wasteful number, since it uses less digits than its factorization.

18376665492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267327 (or 267325 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 57.

The spelling of 18376665492 in words is "eighteen billion, three hundred seventy-six million, six hundred sixty-five thousand, four hundred ninety-two".