18376168812 has 12 divisors (see below), whose sum is σ = 42877727256. Its totient is φ = 6125389600.

The previous prime is 18376168787. The next prime is 18376168829. The reversal of 18376168812 is 21886167381.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765673689 + ... + 765673712.

It is an arithmetic number, because the mean of its divisors is an integer number (3573143938).

Almost surely, 2^18376168812 is an apocalyptic number.

18376168812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18376168812 is an abundant number, since it is smaller than the sum of its proper divisors (24501558444).

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

18376168812 is a wasteful number, since it uses less digits than its factorization.

18376168812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531347408 (or 1531347406 counting only the distinct ones).

The product of its digits is 774144, while the sum is 51.

The spelling of 18376168812 in words is "eighteen billion, three hundred seventy-six million, one hundred sixty-eight thousand, eight hundred twelve".