18107087796 has 108 divisors (see below), whose sum is σ = 53437117188. Its totient is φ = 5154637824.

The previous prime is 18107087783. The next prime is 18107087903. The reversal of 18107087796 is 69778070181.

It can be written as a sum of positive squares in 2 ways, for example, as 10657671696 + 7449416100 = 103236^2 + 86310^2 .

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 470100 + ... + 507156.

Almost surely, 2^18107087796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18107087796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26718558594).

18107087796 is an abundant number, since it is smaller than the sum of its proper divisors (35330029392).

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

18107087796 is a wasteful number, since it uses less digits than its factorization.

18107087796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37358 (or 37346 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 54.

The spelling of 18107087796 in words is "eighteen billion, one hundred seven million, eighty-seven thousand, seven hundred ninety-six".