18107220960 has 72 divisors (see below), whose sum is σ = 61790896440. Its totient is φ = 4828591872.

The previous prime is 18107220959. The next prime is 18107221001. The reversal of 18107220960 is 6902270181.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6285790 + ... + 6288669.

It is an arithmetic number, because the mean of its divisors is an integer number (858206895).

Almost surely, 2^18107220960 is an apocalyptic number.

18107220960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18107220960 is an abundant number, since it is smaller than the sum of its proper divisors (43683675480).

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

18107220960 is a wasteful number, since it uses less digits than its factorization.

18107220960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12574480 (or 12574469 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 18107220960 in words is "eighteen billion, one hundred seven million, two hundred twenty thousand, nine hundred sixty".