2563166 has 8 divisors (see below), whose sum is σ = 4011984. Its totient is φ = 1225840.

The previous prime is 2563153. The next prime is 2563181. The reversal of 2563166 is 6613652.

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

It is a super-3 number, since 3×2563166³ = 50518617316333974888, which contains 333 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, 27815 + ... + 27906.

It is an arithmetic number, because the mean of its divisors is an integer number (501498).

2^2563166 is an apocalyptic number.

2563166 is a deficient number, since it is larger than the sum of its proper divisors (1448818).

2563166 is a wasteful number, since it uses less digits than its factorization.

2563166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55746.

The product of its digits is 6480, while the sum is 29.

The square root of 2563166 is about 1600.9890692944. The cubic root of 2563166 is about 136.8544460842.

The spelling of 2563166 in words is "two million, five hundred sixty-three thousand, one hundred sixty-six".