27112655664 has 50 divisors (see below), whose sum is σ = 78471895260. Its totient is φ = 9037551456.

The previous prime is 27112655653. The next prime is 27112655677. The reversal of 27112655664 is 46655621172.

27112655664 is a `hidden beast` number, since 2 + 7 + 11 + 26 + 556 + 64 = 666.

It is a super-4 number, since 4×27112655664⁴ (a number of 43 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10458834 + ... + 10461425.

Almost surely, 2^27112655664 is an apocalyptic number.

27112655664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27112655664 is an abundant number, since it is smaller than the sum of its proper divisors (51359239596).

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

27112655664 is a wasteful number, since it uses less digits than its factorization.

27112655664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20920279 (or 20920264 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The spelling of 27112655664 in words is "twenty-seven billion, one hundred twelve million, six hundred fifty-five thousand, six hundred sixty-four".