27041892165 has 24 divisors (see below), whose sum is σ = 47399278680. Its totient is φ = 14260291584.

The previous prime is 27041892133. The next prime is 27041892179. The reversal of 27041892165 is 56129814072.

27041892165 is a `hidden beast` number, since 2 + 70 + 418 + 9 + 2 + 165 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5303043684 + 21738848481 = 72822^2 + 147441^2 .

It is not a de Polignac number, because 27041892165 - 2⁵ = 27041892133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 27041892165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3372012 + ... + 3380021.

It is an arithmetic number, because the mean of its divisors is an integer number (1974969945).

Almost surely, 2^27041892165 is an apocalyptic number.

It is an amenable number.

27041892165 is a deficient number, since it is larger than the sum of its proper divisors (20357386515).

27041892165 is a wasteful number, since it uses less digits than its factorization.

27041892165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752133 (or 6752130 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 27041892165 in words is "twenty-seven billion, forty-one million, eight hundred ninety-two thousand, one hundred sixty-five".