18372002187187 has 8 divisors (see below), whose sum is σ = 21221136216432. Its totient is φ = 15719360160000.

The previous prime is 18372002187173. The next prime is 18372002187199. The reversal of 18372002187187 is 78178120027381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18372002187187 - 2²⁷ = 18371867969459 is a prime.

It is a super-3 number, since 3×18372002187187³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18372002187107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49123000314 + ... + 49123000687.

It is an arithmetic number, because the mean of its divisors is an integer number (2652642027054).

Almost surely, 2^{18372002187187} is an apocalyptic number.

18372002187187 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

18372002187187 is a deficient number, since it is larger than the sum of its proper divisors (2849134029245).

18372002187187 is a wasteful number, since it uses less digits than its factorization.

18372002187187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98246001029.

The product of its (nonzero) digits is 2107392, while the sum is 55.

The spelling of 18372002187187 in words is "eighteen trillion, three hundred seventy-two billion, two million, one hundred eighty-seven thousand, one hundred eighty-seven".