18107194380 has 96 divisors (see below), whose sum is σ = 55596215808. Its totient is φ = 4366848000.

The previous prime is 18107194327. The next prime is 18107194387. The reversal of 18107194380 is 8349170181.

It is not an unprimeable number, because it can be changed into a prime (18107194387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56305 + ... + 198455.

It is an arithmetic number, because the mean of its divisors is an integer number (579127248).

Almost surely, 2^18107194380 is an apocalyptic number.

18107194380 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 18107194380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27798107904).

18107194380 is an abundant number, since it is smaller than the sum of its proper divisors (37489021428).

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

18107194380 is a wasteful number, since it uses less digits than its factorization.

18107194380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142367 (or 142365 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 18107194380 in words is "eighteen billion, one hundred seven million, one hundred ninety-four thousand, three hundred eighty".