2645166 has 16 divisors (see below), whose sum is σ = 5601744. Its totient is φ = 829824.

The previous prime is 2645141. The next prime is 2645171. The reversal of 2645166 is 6615462.

2645166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12865 + ... + 13068.

It is an arithmetic number, because the mean of its divisors is an integer number (350109).

2^2645166 is an apocalyptic number.

2645166 is an abundant number, since it is smaller than the sum of its proper divisors (2956578).

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

2645166 is a wasteful number, since it uses less digits than its factorization.

2645166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25955.

The product of its digits is 8640, while the sum is 30.

The square root of 2645166 is about 1626.3966305917. The cubic root of 2645166 is about 138.2985554741.

The spelling of 2645166 in words is "two million, six hundred forty-five thousand, one hundred sixty-six".