27716637168 has 120 divisors (see below), whose sum is σ = 84663639216. Its totient is φ = 8394624000.

The previous prime is 27716637133. The next prime is 27716637187. The reversal of 27716637168 is 86173661772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4395618 + ... + 4401918.

Almost surely, 2^27716637168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27716637168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42331819608).

27716637168 is an abundant number, since it is smaller than the sum of its proper divisors (56947002048).

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

27716637168 is a wasteful number, since it uses less digits than its factorization.

27716637168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9103 (or 9094 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The spelling of 27716637168 in words is "twenty-seven billion, seven hundred sixteen million, six hundred thirty-seven thousand, one hundred sixty-eight".