2160172 has 24 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 918480.

The previous prime is 2160161. The next prime is 2160203. The reversal of 2160172 is 2710612.

2160172 = 19² + 20² + ... + 186².

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, 4797 + ... + 5227.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

2^2160172 is an apocalyptic number.

It is an amenable number.

2160172 is an abundant number, since it is smaller than the sum of its proper divisors (2194388).

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

2160172 is a wasteful number, since it uses less digits than its factorization.

2160172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 2160172 is about 1469.7523600934. The cubic root of 2160172 is about 129.2695124476.

Adding to 2160172 its reverse (2710612), we get a palindrome (4870784).

It can be divided in two parts, 2160 and 172, that added together give a palindrome (2332).

The spelling of 2160172 in words is "two million, one hundred sixty thousand, one hundred seventy-two".