18037858992 has 160 divisors (see below), whose sum is σ = 48323049984. Its totient is φ = 5795328000.

The previous prime is 18037858967. The next prime is 18037859029. The reversal of 18037858992 is 29985873081.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44981992 + ... + 44982392.

Almost surely, 2^18037858992 is an apocalyptic number.

18037858992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18037858992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24161524992).

18037858992 is an abundant number, since it is smaller than the sum of its proper divisors (30285190992).

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

18037858992 is a wasteful number, since it uses less digits than its factorization.

18037858992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 60.

The spelling of 18037858992 in words is "eighteen billion, thirty-seven million, eight hundred fifty-eight thousand, nine hundred ninety-two".