2113168 has 30 divisors (see below), whose sum is σ = 4358786. Its totient is φ = 992256.

The previous prime is 2113159. The next prime is 2113187. The reversal of 2113168 is 8613112.

It can be written as a sum of positive squares in 3 ways, for example, as 1281424 + 831744 = 1132^2 + 912^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4396 + ... + 4852.

2^2113168 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 2113168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2179393).

2113168 is an abundant number, since it is smaller than the sum of its proper divisors (2245618).

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

2113168 is a wasteful number, since it uses less digits than its factorization.

2113168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 476 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 2113168 is about 1453.6739661974. The cubic root of 2113168 is about 128.3250203569.

The spelling of 2113168 in words is "two million, one hundred thirteen thousand, one hundred sixty-eight".