89953718160 has 80 divisors (see below), whose sum is σ = 278924022720. Its totient is φ = 23981852160.

The previous prime is 89953718149. The next prime is 89953718177. The reversal of 89953718160 is 6181735998.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 89953718160.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 998170 + ... + 1084550.

It is an arithmetic number, because the mean of its divisors is an integer number (3486550284).

Almost surely, 2^89953718160 is an apocalyptic number.

89953718160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89953718160 is an abundant number, since it is smaller than the sum of its proper divisors (188970304560).

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

89953718160 is a wasteful number, since it uses less digits than its factorization.

89953718160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90736 (or 90730 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 89953718160 in words is "eighty-nine billion, nine hundred fifty-three million, seven hundred eighteen thousand, one hundred sixty".