2173160 has 48 divisors (see below), whose sum is σ = 5386500. Its totient is φ = 788480.

The previous prime is 2173153. The next prime is 2173183. The reversal of 2173160 is 613712.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2172676 + 484 = 1474^2 + 22^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4616 + ... + 5064.

2^2173160 is an apocalyptic number.

2173160 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 2173160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2693250).

2173160 is an abundant number, since it is smaller than the sum of its proper divisors (3213340).

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

2173160 is a wasteful number, since it uses less digits than its factorization.

2173160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2173160 is about 1474.1641699621. The cubic root of 2173160 is about 129.5280719096.

Adding to 2173160 its reverse (613712), we get a palindrome (2786872).

The spelling of 2173160 in words is "two million, one hundred seventy-three thousand, one hundred sixty".