18065748904 has 32 divisors (see below), whose sum is σ = 40989516480. Its totient is φ = 7287024384.

The previous prime is 18065748817. The next prime is 18065748907. The reversal of 18065748904 is 40984756081.

It is not an unprimeable number, because it can be changed into a prime (18065748907) 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 7 ways as a sum of consecutive naturals, for example, 9487362 + ... + 9489265.

It is an arithmetic number, because the mean of its divisors is an integer number (1280922390).

Almost surely, 2^18065748904 is an apocalyptic number.

18065748904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18065748904 is an abundant number, since it is smaller than the sum of its proper divisors (22923767576).

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

18065748904 is a wasteful number, since it uses less digits than its factorization.

18065748904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18976657 (or 18976653 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 18065748904 in words is "eighteen billion, sixty-five million, seven hundred forty-eight thousand, nine hundred four".