27256164 has 48 divisors (see below), whose sum is σ = 68819520. Its totient is φ = 8346240.

The previous prime is 27256153. The next prime is 27256181. The reversal of 27256164 is 46165272.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58894 + ... + 59354.

It is an arithmetic number, because the mean of its divisors is an integer number (1433740).

Almost surely, 2^27256164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27256164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34409760).

27256164 is an abundant number, since it is smaller than the sum of its proper divisors (41563356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27256164 is a wasteful number, since it uses less digits than its factorization.

27256164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 858 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 27256164 is about 5220.7436251936. The cubic root of 27256164 is about 300.9457708142.

The spelling of 27256164 in words is "twenty-seven million, two hundred fifty-six thousand, one hundred sixty-four".