27165084163 has 4 divisors (see below), whose sum is σ = 31045810480. Its totient is φ = 23284357848.

The previous prime is 27165084151. The next prime is 27165084179. The reversal of 27165084163 is 36148056172.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27165084163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27165084103) 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, 1940363148 + ... + 1940363161.

It is an arithmetic number, because the mean of its divisors is an integer number (7761452620).

Almost surely, 2^27165084163 is an apocalyptic number.

27165084163 is a deficient number, since it is larger than the sum of its proper divisors (3880726317).

27165084163 is an equidigital number, since it uses as much as digits as its factorization.

27165084163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880726316.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 27165084163 in words is "twenty-seven billion, one hundred sixty-five million, eighty-four thousand, one hundred sixty-three".