27156538683 has 32 divisors (see below), whose sum is σ = 40505203200. Its totient is φ = 17981764128.

The previous prime is 27156538657. The next prime is 27156538711. The reversal of 27156538683 is 38683565172.

27156538683 is a `hidden beast` number, since 2 + 71 + 565 + 3 + 8 + 6 + 8 + 3 = 666.

It is not a de Polignac number, because 27156538683 - 2⁸ = 27156538427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27156538183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2685585 + ... + 2695677.

It is an arithmetic number, because the mean of its divisors is an integer number (1265787600).

Almost surely, 2^27156538683 is an apocalyptic number.

27156538683 is a deficient number, since it is larger than the sum of its proper divisors (13348664517).

27156538683 is a wasteful number, since it uses less digits than its factorization.

27156538683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10768 (or 10762 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 27156538683 in words is "twenty-seven billion, one hundred fifty-six million, five hundred thirty-eight thousand, six hundred eighty-three".