65560116627773 has 2 divisors, whose sum is σ = 65560116627774. Its totient is φ = 65560116627772.

The previous prime is 65560116627739. The next prime is 65560116627791. The reversal of 65560116627773 is 37772661106556.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61987309732804 + 3572806894969 = 7873202^2 + 1890187^2 .

It is a cyclic number.

It is not a de Polignac number, because 65560116627773 - 2¹⁰ = 65560116626749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65560116627703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32780058313886 + 32780058313887.

It is an arithmetic number, because the mean of its divisors is an integer number (32780058313887).

Almost surely, 2^{65560116627773} is an apocalyptic number.

It is an amenable number.

65560116627773 is a deficient number, since it is larger than the sum of its proper divisors (1).

65560116627773 is an equidigital number, since it uses as much as digits as its factorization.

65560116627773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 66679200, while the sum is 62.

The spelling of 65560116627773 in words is "sixty-five trillion, five hundred sixty billion, one hundred sixteen million, six hundred twenty-seven thousand, seven hundred seventy-three".