65560116627771 has 64 divisors (see below), whose sum is σ = 89315260416000. Its totient is φ = 42769586241536.

The previous prime is 65560116627739. The next prime is 65560116627773. The reversal of 65560116627771 is 17772661106556.

It is a cyclic number.

It is not a de Polignac number, because 65560116627771 - 2⁵ = 65560116627739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65560116627773) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7562588425 + ... + 7562597093.

It is an arithmetic number, because the mean of its divisors is an integer number (1395550944000).

Almost surely, 2^{65560116627771} is an apocalyptic number.

65560116627771 is a deficient number, since it is larger than the sum of its proper divisors (23755143788229).

65560116627771 is a wasteful number, since it uses less digits than its factorization.

65560116627771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9748.

The product of its (nonzero) digits is 22226400, while the sum is 60.

The spelling of 65560116627771 in words is "sixty-five trillion, five hundred sixty billion, one hundred sixteen million, six hundred twenty-seven thousand, seven hundred seventy-one".