18106368112 has 20 divisors (see below), whose sum is σ = 40092672496. Its totient is φ = 7759872000.

The previous prime is 18106368083. The next prime is 18106368113. The reversal of 18106368112 is 21186360181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18106368113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80831889 + ... + 80832112.

Almost surely, 2^18106368112 is an apocalyptic number.

It is an amenable number.

18106368112 is an abundant number, since it is smaller than the sum of its proper divisors (21986304384).

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

18106368112 is a wasteful number, since it uses less digits than its factorization.

18106368112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161664016 (or 161664010 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 18106368112 in words is "eighteen billion, one hundred six million, three hundred sixty-eight thousand, one hundred twelve".