18159118055960 has 96 divisors (see below), whose sum is σ = 47545479772560. Its totient is φ = 6223786861824.

The previous prime is 18159118055933. The next prime is 18159118055987. The reversal of 18159118055960 is 6955081195181.

It is an interprime number because it is at equal distance from previous prime (18159118055933) and next prime (18159118055987).

It is a self number, because there is not a number n which added to its sum of digits gives 18159118055960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3927659 + ... + 7193381.

Almost surely, 2^{18159118055960} is an apocalyptic number.

18159118055960 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 18159118055960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23772739886280).

18159118055960 is an abundant number, since it is smaller than the sum of its proper divisors (29386361716600).

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

18159118055960 is a wasteful number, since it uses less digits than its factorization.

18159118055960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268585 (or 3268574 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 59.

The spelling of 18159118055960 in words is "eighteen trillion, one hundred fifty-nine billion, one hundred eighteen million, fifty-five thousand, nine hundred sixty".