2181160 has 32 divisors (see below), whose sum is σ = 5068800. Its totient is φ = 843840.

The previous prime is 2181149. The next prime is 2181161. The reversal of 2181160 is 611812.

It is not an unprimeable number, because it can be changed into a prime (2181161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361 + ... + 2119.

It is an arithmetic number, because the mean of its divisors is an integer number (158400).

2^2181160 is an apocalyptic number.

2181160 is a gapful number since it is divisible by the number (20) 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 2181160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2534400).

2181160 is an abundant number, since it is smaller than the sum of its proper divisors (2887640).

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

2181160 is a wasteful number, since it uses less digits than its factorization.

2181160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801 (or 1797 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 2181160 is about 1476.8750793483. The cubic root of 2181160 is about 129.6868200961.

Adding to 2181160 its reverse (611812), we get a palindrome (2792972).

It can be divided in two parts, 218 and 1160, that added together give a triangular number (1378 = T₅₂).

The spelling of 2181160 in words is "two million, one hundred eighty-one thousand, one hundred sixty".