18872501160208 has 20 divisors (see below), whose sum is σ = 36565596080640. Its totient is φ = 9436218300704.

The previous prime is 18872501160199. The next prime is 18872501160229. The reversal of 18872501160208 is 80206110527881.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3217641 + ... + 6935287.

It is an arithmetic number, because the mean of its divisors is an integer number (1828279804032).

Almost surely, 2^{18872501160208} is an apocalyptic number.

It is an amenable number.

18872501160208 is a deficient number, since it is larger than the sum of its proper divisors (17693094920432).

18872501160208 is a wasteful number, since it uses less digits than its factorization.

18872501160208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034934 (or 4034928 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 49.

The spelling of 18872501160208 in words is "eighteen trillion, eight hundred seventy-two billion, five hundred one million, one hundred sixty thousand, two hundred eight".