18341688112 has 80 divisors (see below), whose sum is σ = 39474214560. Its totient is φ = 8186572800.

The previous prime is 18341688109. The next prime is 18341688283. The reversal of 18341688112 is 21188614381.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2163562 + ... + 2172022.

It is an arithmetic number, because the mean of its divisors is an integer number (493427682).

Almost surely, 2^18341688112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18341688112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19737107280).

18341688112 is an abundant number, since it is smaller than the sum of its proper divisors (21132526448).

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

18341688112 is a wasteful number, since it uses less digits than its factorization.

18341688112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8702 (or 8696 counting only the distinct ones).

The product of its digits is 73728, while the sum is 43.

The spelling of 18341688112 in words is "eighteen billion, three hundred forty-one million, six hundred eighty-eight thousand, one hundred twelve".