18113960 has 32 divisors (see below), whose sum is σ = 41040000. Its totient is φ = 7195200.

The previous prime is 18113957. The next prime is 18113971. The reversal of 18113960 is 6931181.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4541 + ... + 7539.

It is an arithmetic number, because the mean of its divisors is an integer number (1282500).

Almost surely, 2^18113960 is an apocalyptic number.

18113960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18113960 is an abundant number, since it is smaller than the sum of its proper divisors (22926040).

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

18113960 is a wasteful number, since it uses less digits than its factorization.

18113960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161 (or 3157 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 18113960 is about 4256.0498117386. The cubic root of 18113960 is about 262.6260498177.

It can be divided in two parts, 181 and 13960, that added together give a palindrome (14141).

The spelling of 18113960 in words is "eighteen million, one hundred thirteen thousand, nine hundred sixty".