18522160 has 40 divisors (see below), whose sum is σ = 44122176. Its totient is φ = 7226880.

The previous prime is 18522151. The next prime is 18522173. The reversal of 18522160 is 6122581.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×18522160² = 686140822131200, which contains 22 as substring.

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, 457 + ... + 6103.

Almost surely, 2^18522160 is an apocalyptic number.

18522160 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 18522160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22061088).

18522160 is an abundant number, since it is smaller than the sum of its proper divisors (25600016).

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

18522160 is a wasteful number, since it uses less digits than its factorization.

18522160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701 (or 5695 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 18522160 is about 4303.7379102357. The cubic root of 18522160 is about 264.5841823328.

The spelling of 18522160 in words is "eighteen million, five hundred twenty-two thousand, one hundred sixty".