65560116627769 has 4 divisors (see below), whose sum is σ = 65560146342544. Its totient is φ = 65560086912996.

The previous prime is 65560116627739. The next prime is 65560116627773. The reversal of 65560116627769 is 96772661106556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65560116627769 - 2²⁵ = 65560083073337 is a prime.

It is a super-2 number, since 2×65560116627769² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65560116627739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11257107 + ... + 16057480.

It is an arithmetic number, because the mean of its divisors is an integer number (16390036585636).

Almost surely, 2^{65560116627769} is an apocalyptic number.

It is an amenable number.

65560116627769 is a deficient number, since it is larger than the sum of its proper divisors (29714775).

65560116627769 is a wasteful number, since it uses less digits than its factorization.

65560116627769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29714774.

The product of its (nonzero) digits is 171460800, while the sum is 67.

The spelling of 65560116627769 in words is "sixty-five trillion, five hundred sixty billion, one hundred sixteen million, six hundred twenty-seven thousand, seven hundred sixty-nine".