27166928 has 20 divisors (see below), whose sum is σ = 53921028. Its totient is φ = 13251840.

The previous prime is 27166907. The next prime is 27166949. The reversal of 27166928 is 82966172.

It is an interprime number because it is at equal distance from previous prime (27166907) and next prime (27166949).

It can be written as a sum of positive squares in 2 ways, for example, as 10291264 + 16875664 = 3208^2 + 4108^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

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 3 ways as a sum of consecutive naturals, for example, 20051 + ... + 21362.

Almost surely, 2^27166928 is an apocalyptic number.

It is an amenable number.

27166928 is a deficient number, since it is larger than the sum of its proper divisors (26754100).

27166928 is a wasteful number, since it uses less digits than its factorization.

27166928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41462 (or 41456 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 27166928 is about 5212.1903265326. The cubic root of 27166928 is about 300.6169820923.

The spelling of 27166928 in words is "twenty-seven million, one hundred sixty-six thousand, nine hundred twenty-eight".