27158164 has 12 divisors (see below), whose sum is σ = 51847488. Its totient is φ = 12344600.

The previous prime is 27158161. The next prime is 27158221. The reversal of 27158164 is 46185172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27158161) 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 3 ways as a sum of consecutive naturals, for example, 308572 + ... + 308659.

It is an arithmetic number, because the mean of its divisors is an integer number (4320624).

Almost surely, 2^27158164 is an apocalyptic number.

It is an amenable number.

27158164 is a deficient number, since it is larger than the sum of its proper divisors (24689324).

27158164 is a wasteful number, since it uses less digits than its factorization.

27158164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617246 (or 617244 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 27158164 is about 5211.3495373080. The cubic root of 27158164 is about 300.5846524574.

The spelling of 27158164 in words is "twenty-seven million, one hundred fifty-eight thousand, one hundred sixty-four".