18360334536 has 128 divisors (see below), whose sum is σ = 49691059200. Its totient is φ = 5639639040.

The previous prime is 18360334529. The next prime is 18360334561. The reversal of 18360334536 is 63543306381.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1569220 + ... + 1580876.

It is an arithmetic number, because the mean of its divisors is an integer number (388211400).

Almost surely, 2^18360334536 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 18360334536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24845529600).

18360334536 is an abundant number, since it is smaller than the sum of its proper divisors (31330724664).

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

18360334536 is a wasteful number, since it uses less digits than its factorization.

18360334536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11799 (or 11795 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 18360334536 in words is "eighteen billion, three hundred sixty million, three hundred thirty-four thousand, five hundred thirty-six".