27116562605 has 32 divisors (see below), whose sum is σ = 36865939968. Its totient is φ = 18974894400.

The previous prime is 27116562587. The next prime is 27116562611. The reversal of 27116562605 is 50626561172.

It is not a de Polignac number, because 27116562605 - 2¹⁰ = 27116561581 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72890 + ... + 244020.

It is an arithmetic number, because the mean of its divisors is an integer number (1152060624).

Almost surely, 2^27116562605 is an apocalyptic number.

It is an amenable number.

27116562605 is a deficient number, since it is larger than the sum of its proper divisors (9749377363).

27116562605 is a wasteful number, since it uses less digits than its factorization.

27116562605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171257.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 27116562605 in words is "twenty-seven billion, one hundred sixteen million, five hundred sixty-two thousand, six hundred five".