18387379117230 has 32 divisors (see below), whose sum is σ = 44130009492000. Its totient is φ = 4903267807872.

The previous prime is 18387379117201. The next prime is 18387379117231. The reversal of 18387379117230 is 3271197378381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18387379117231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2583096 + ... + 6591444.

It is an arithmetic number, because the mean of its divisors is an integer number (1379062796625).

Almost surely, 2^{18387379117230} is an apocalyptic number.

18387379117230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18387379117230 is an abundant number, since it is smaller than the sum of its proper divisors (25742630374770).

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

18387379117230 is a wasteful number, since it uses less digits than its factorization.

18387379117230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161268.

The product of its (nonzero) digits is 10668672, while the sum is 60.

The spelling of 18387379117230 in words is "eighteen trillion, three hundred eighty-seven billion, three hundred seventy-nine million, one hundred seventeen thousand, two hundred thirty".