18231360 has 112 divisors (see below), whose sum is σ = 66178176. Its totient is φ = 4165632.

The previous prime is 18231349. The next prime is 18231371. The reversal of 18231360 is 6313281.

It is an interprime number because it is at equal distance from previous prime (18231349) and next prime (18231371).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 18231360.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5364 + ... + 8076.

Almost surely, 2^18231360 is an apocalyptic number.

18231360 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 18231360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33089088).

18231360 is an abundant number, since it is smaller than the sum of its proper divisors (47946816).

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

18231360 is a wasteful number, since it uses less digits than its factorization.

18231360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740 (or 2730 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 18231360 is about 4269.8196683232. The cubic root of 18231360 is about 263.1922048177.

The spelling of 18231360 in words is "eighteen million, two hundred thirty-one thousand, three hundred sixty".