2183168 has 52 divisors (see below), whose sum is σ = 4816308. Its totient is φ = 983040.

The previous prime is 2183141. The next prime is 2183171. The reversal of 2183168 is 8613812.

It can be written as a sum of positive squares in 2 ways, for example, as 200704 + 1982464 = 448^2 + 1408^2 .

It is a tau number, because it is divible by the number of its divisors (52).

It is a self number, because there is not a number n which added to its sum of digits gives 2183168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53228 + ... + 53268.

2^2183168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2183168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2408154).

2183168 is an abundant number, since it is smaller than the sum of its proper divisors (2633140).

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

2183168 is an equidigital number, since it uses as much as digits as its factorization.

2183168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 56 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 2183168 is about 1477.5547367187. The cubic root of 2183168 is about 129.7266049297.

The spelling of 2183168 in words is "two million, one hundred eighty-three thousand, one hundred sixty-eight".