18500160 has 112 divisors (see below), whose sum is σ = 67153536. Its totient is φ = 4227072.

The previous prime is 18500117. The next prime is 18500161. The reversal of 18500160 is 6100581.

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 (21).

It is not an unprimeable number, because it can be changed into a prime (18500161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5344 + ... + 8096.

Almost surely, 2^18500160 is an apocalyptic number.

18500160 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 18500160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33576768).

18500160 is an abundant number, since it is smaller than the sum of its proper divisors (48653376).

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

18500160 is a wasteful number, since it uses less digits than its factorization.

18500160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780 (or 2770 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 18500160 is about 4301.1812331033. The cubic root of 18500160 is about 264.4793860934.

The spelling of 18500160 in words is "eighteen million, five hundred thousand, one hundred sixty".