18140160 has 88 divisors (see below), whose sum is σ = 58069296. Its totient is φ = 4833280.

The previous prime is 18140159. The next prime is 18140179. The reversal of 18140160 is 6104181.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 14770 + ... + 15950.

Almost surely, 2^18140160 is an apocalyptic number.

18140160 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 18140160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29034648).

18140160 is an abundant number, since it is smaller than the sum of its proper divisors (39929136).

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

18140160 is a wasteful number, since it uses less digits than its factorization.

18140160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 18140160 is about 4259.1266710442. The cubic root of 18140160 is about 262.7526094382.

The spelling of 18140160 in words is "eighteen million, one hundred forty thousand, one hundred sixty".