16560122017 has 2 divisors, whose sum is σ = 16560122018. Its totient is φ = 16560122016.

The previous prime is 16560122009. The next prime is 16560122021. The reversal of 16560122017 is 71022106561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14357790976 + 2202331041 = 119824^2 + 46929^2 .

It is a cyclic number.

It is not a de Polignac number, because 16560122017 - 2³ = 16560122009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16560122017.

It is not a weakly prime, because it can be changed into another prime (16560122027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8280061008 + 8280061009.

It is an arithmetic number, because the mean of its divisors is an integer number (8280061009).

Almost surely, 2^16560122017 is an apocalyptic number.

It is an amenable number.

16560122017 is a deficient number, since it is larger than the sum of its proper divisors (1).

16560122017 is an equidigital number, since it uses as much as digits as its factorization.

16560122017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

Adding to 16560122017 its reverse (71022106561), we get a palindrome (87582228578).

The spelling of 16560122017 in words is "sixteen billion, five hundred sixty million, one hundred twenty-two thousand, seventeen".