18904444796160 has 5184 divisors, whose sum is σ = 93315526053120. Its totient is φ = 3641944965120.

The previous prime is 18904444796141. The next prime is 18904444796203. The reversal of 18904444796160 is 6169744440981.

18904444796160 is a `hidden beast` number, since 1 + 8 + 9 + 0 + 4 + 4 + 4 + 4 + 7 + 9 + 616 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (5184).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 282155892447 + ... + 282155892513.

It is an arithmetic number, because the mean of its divisors is an integer number (18000680180).

Almost surely, 2^{18904444796160} is an apocalyptic number.

18904444796160 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 18904444796160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46657763026560).

18904444796160 is an abundant number, since it is smaller than the sum of its proper divisors (74411081256960).

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

18904444796160 is an equidigital number, since it uses as much as digits as its factorization.

18904444796160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 18904444796160 in words is "eighteen trillion, nine hundred four billion, four hundred forty-four million, seven hundred ninety-six thousand, one hundred sixty".