2644166 has 8 divisors (see below), whose sum is σ = 4532880. Its totient is φ = 1133208.

The previous prime is 2644157. The next prime is 2644171. The reversal of 2644166 is 6614462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2644166² = 13983227671112, which contains 22 as substring.

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, 94421 + ... + 94448.

It is an arithmetic number, because the mean of its divisors is an integer number (566610).

2^2644166 is an apocalyptic number.

2644166 is a deficient number, since it is larger than the sum of its proper divisors (1888714).

2644166 is a wasteful number, since it uses less digits than its factorization.

2644166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188878.

The product of its digits is 6912, while the sum is 29.

The square root of 2644166 is about 1626.0891734465. The cubic root of 2644166 is about 138.2811254417.

The spelling of 2644166 in words is "two million, six hundred forty-four thousand, one hundred sixty-six".