18512432960 has 112 divisors (see below), whose sum is σ = 50462541696. Its totient is φ = 6336755712.

The previous prime is 18512432957. The next prime is 18512433019. The reversal of 18512432960 is 6923421581.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1433894 + ... + 1446746.

It is an arithmetic number, because the mean of its divisors is an integer number (450558408).

Almost surely, 2^18512432960 is an apocalyptic number.

18512432960 is a gapful number since it is divisible by the number (10) 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 18512432960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25231270848).

18512432960 is an abundant number, since it is smaller than the sum of its proper divisors (31950108736).

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

18512432960 is a wasteful number, since it uses less digits than its factorization.

18512432960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13520 (or 13510 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 18512432960 in words is "eighteen billion, five hundred twelve million, four hundred thirty-two thousand, nine hundred sixty".