2665168 has 40 divisors (see below), whose sum is σ = 5937120. Its totient is φ = 1146240.

The previous prime is 2665139. The next prime is 2665177. The reversal of 2665168 is 8615662.

It is a congruent number.

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, 2946 + ... + 3742.

It is an arithmetic number, because the mean of its divisors is an integer number (148428).

2^2665168 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 2665168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2968560).

2665168 is an abundant number, since it is smaller than the sum of its proper divisors (3271952).

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

2665168 is a wasteful number, since it uses less digits than its factorization.

2665168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 829 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 2665168 is about 1632.5342262875. The cubic root of 2665168 is about 138.6462720663.

The spelling of 2665168 in words is "two million, six hundred sixty-five thousand, one hundred sixty-eight".