181160 has 32 divisors (see below), whose sum is σ = 466560. Its totient is φ = 62016.

The previous prime is 181157. The next prime is 181183. The reversal of 181160 is 61181.

181160 = T₂₂₄ + T₂₂₅ + ... + T₂₃₀.

It is a happy 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, 44 + ... + 603.

It is an arithmetic number, because the mean of its divisors is an integer number (14580).

2¹⁸¹¹⁶⁰ is an apocalyptic number.

181160 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 181160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233280).

181160 is an abundant number, since it is smaller than the sum of its proper divisors (285400).

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

181160 is a wasteful number, since it uses less digits than its factorization.

181160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 181160 is about 425.6289463841. The cubic root of 181160 is about 56.5831912029.

The spelling of 181160 in words is "one hundred eighty-one thousand, one hundred sixty".