18103464192 has 144 divisors (see below), whose sum is σ = 53983282752. Its totient is φ = 5337538560.

The previous prime is 18103464191. The next prime is 18103464251. The reversal of 18103464192 is 29146430181.

It is a self number, because there is not a number n which added to its sum of digits gives 18103464192.

It is not an unprimeable number, because it can be changed into a prime (18103464191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283618 + ... + 341534.

It is an arithmetic number, because the mean of its divisors is an integer number (374883908).

Almost surely, 2^18103464192 is an apocalyptic number.

18103464192 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 18103464192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26991641376).

18103464192 is an abundant number, since it is smaller than the sum of its proper divisors (35879818560).

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

18103464192 is a wasteful number, since it uses less digits than its factorization.

18103464192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57984 (or 57970 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 18103464192 in words is "eighteen billion, one hundred three million, four hundred sixty-four thousand, one hundred ninety-two".