18840168960 has 160 divisors (see below), whose sum is σ = 63400138560. Its totient is φ = 4759584768.

The previous prime is 18840168943. The next prime is 18840169013. The reversal of 18840168960 is 6986104881.

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

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, 81364 + ... + 210476.

It is an arithmetic number, because the mean of its divisors is an integer number (396250866).

Almost surely, 2^18840168960 is an apocalyptic number.

18840168960 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 18840168960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31700069280).

18840168960 is an abundant number, since it is smaller than the sum of its proper divisors (44559969600).

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

18840168960 is a wasteful number, since it uses less digits than its factorization.

18840168960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129158 (or 129142 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 18840168960 in words is "eighteen billion, eight hundred forty million, one hundred sixty-eight thousand, nine hundred sixty".