18873347418160 has 80 divisors (see below), whose sum is σ = 46338556642560. Its totient is φ = 7129008357120.

The previous prime is 18873347418151. The next prime is 18873347418193. The reversal of 18873347418160 is 6181474337881.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19489782 + ... + 20435221.

It is an arithmetic number, because the mean of its divisors is an integer number (579231958032).

Almost surely, 2^{18873347418160} is an apocalyptic number.

18873347418160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18873347418160 is an abundant number, since it is smaller than the sum of its proper divisors (27465209224400).

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

18873347418160 is a wasteful number, since it uses less digits than its factorization.

18873347418160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39925346 (or 39925340 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 61.

The spelling of 18873347418160 in words is "eighteen trillion, eight hundred seventy-three billion, three hundred forty-seven million, four hundred eighteen thousand, one hundred sixty".