18037987160 has 16 divisors (see below), whose sum is σ = 40585471200. Its totient is φ = 7215194848.

The previous prime is 18037987159. The next prime is 18037987169. The reversal of 18037987160 is 6178973081.

It is a junction number, because it is equal to n+sod(n) for n = 18037987099 and 18037987108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18037987169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225474800 + ... + 225474879.

It is an arithmetic number, because the mean of its divisors is an integer number (2536591950).

Almost surely, 2^18037987160 is an apocalyptic number.

18037987160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18037987160 is an abundant number, since it is smaller than the sum of its proper divisors (22547484040).

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

18037987160 is a wasteful number, since it uses less digits than its factorization.

18037987160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450949690 (or 450949686 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 50.

The spelling of 18037987160 in words is "eighteen billion, thirty-seven million, nine hundred eighty-seven thousand, one hundred sixty".