27187163164 has 48 divisors (see below), whose sum is σ = 57602361600. Its totient is φ = 10960623360.

The previous prime is 27187163131. The next prime is 27187163167. The reversal of 27187163164 is 46136178172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27187163167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985519 + ... + 1012729.

It is an arithmetic number, because the mean of its divisors is an integer number (1200049200).

Almost surely, 2^27187163164 is an apocalyptic number.

It is an amenable number.

27187163164 is an abundant number, since it is smaller than the sum of its proper divisors (30415198436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27187163164 is a wasteful number, since it uses less digits than its factorization.

27187163164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29338 (or 29336 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The spelling of 27187163164 in words is "twenty-seven billion, one hundred eighty-seven million, one hundred sixty-three thousand, one hundred sixty-four".