27028166 has 16 divisors (see below), whose sum is σ = 45258048. Its totient is φ = 11999400.

The previous prime is 27028163. The next prime is 27028189. The reversal of 27028166 is 66182072.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27028163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13340 + ... + 15231.

It is an arithmetic number, because the mean of its divisors is an integer number (2828628).

Almost surely, 2^27028166 is an apocalyptic number.

27028166 is a deficient number, since it is larger than the sum of its proper divisors (18229882).

27028166 is a wasteful number, since it uses less digits than its factorization.

27028166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28627.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 27028166 is about 5198.8619908592. The cubic root of 27028166 is about 300.1042822650.

The spelling of 27028166 in words is "twenty-seven million, twenty-eight thousand, one hundred sixty-six".