27064161 has 6 divisors (see below), whose sum is σ = 39092690. Its totient is φ = 18042768.

The previous prime is 27064159. The next prime is 27064201. The reversal of 27064161 is 16146072.

It can be written as a sum of positive squares in only one way, i.e., 23824161 + 3240000 = 4881^2 + 1800^2 .

It is not a de Polignac number, because 27064161 - 2¹ = 27064159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27064111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1503556 + ... + 1503573.

Almost surely, 2^27064161 is an apocalyptic number.

It is an amenable number.

27064161 is a deficient number, since it is larger than the sum of its proper divisors (12028529).

27064161 is a wasteful number, since it uses less digits than its factorization.

27064161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007135 (or 3007132 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 27064161 is about 5202.3226543535. The cubic root of 27064161 is about 300.2374453494.

It can be divided in two parts, 27064 and 161, that added together give a square (27225 = 165²).

The spelling of 27064161 in words is "twenty-seven million, sixty-four thousand, one hundred sixty-one".