27116641 has 4 divisors (see below), whose sum is σ = 27396292. Its totient is φ = 26836992.

The previous prime is 27116633. The next prime is 27116651. The reversal of 27116641 is 14661172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16851025 + 10265616 = 4105^2 + 3204^2 .

It is a cyclic number.

It is not a de Polignac number, because 27116641 - 2³ = 27116633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27116611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139680 + ... + 139873.

It is an arithmetic number, because the mean of its divisors is an integer number (6849073).

Almost surely, 2^27116641 is an apocalyptic number.

It is an amenable number.

27116641 is a deficient number, since it is larger than the sum of its proper divisors (279651).

27116641 is an equidigital number, since it uses as much as digits as its factorization.

27116641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279650.

The product of its digits is 2016, while the sum is 28.

The square root of 27116641 is about 5207.3641124853. The cubic root of 27116641 is about 300.4313831018.

The spelling of 27116641 in words is "twenty-seven million, one hundred sixteen thousand, six hundred forty-one".