27833671161 has 6 divisors (see below), whose sum is σ = 40204191690. Its totient is φ = 18555780768.

The previous prime is 27833671139. The next prime is 27833671163. The reversal of 27833671161 is 16117633872.

27833671161 is a `hidden beast` number, since 278 + 3 + 367 + 1 + 16 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27822240000 + 11431161 = 166800^2 + 3381^2 .

It is not a de Polignac number, because 27833671161 - 2⁹ = 27833670649 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27833671163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1546315056 + ... + 1546315073.

It is an arithmetic number, because the mean of its divisors is an integer number (6700698615).

Almost surely, 2^27833671161 is an apocalyptic number.

It is an amenable number.

27833671161 is a deficient number, since it is larger than the sum of its proper divisors (12370520529).

27833671161 is a wasteful number, since it uses less digits than its factorization.

27833671161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092630135 (or 3092630132 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The spelling of 27833671161 in words is "twenty-seven billion, eight hundred thirty-three million, six hundred seventy-one thousand, one hundred sixty-one".