27116507656 has 32 divisors (see below), whose sum is σ = 58210079040. Its totient is φ = 11600705088.

The previous prime is 27116507633. The next prime is 27116507669. The reversal of 27116507656 is 65670561172.

It is a happy number.

It is a super-2 number, since 2×27116507656² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398511 + ... + 461566.

It is an arithmetic number, because the mean of its divisors is an integer number (1819064970).

Almost surely, 2^27116507656 is an apocalyptic number.

It is an amenable number.

27116507656 is an abundant number, since it is smaller than the sum of its proper divisors (31093571384).

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

27116507656 is a wasteful number, since it uses less digits than its factorization.

27116507656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860653 (or 860649 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 27116507656 in words is "twenty-seven billion, one hundred sixteen million, five hundred seven thousand, six hundred fifty-six".