16514425717 has 2 divisors, whose sum is σ = 16514425718. Its totient is φ = 16514425716.

The previous prime is 16514425703. The next prime is 16514425769. The reversal of 16514425717 is 71752441561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9110511601 + 7403914116 = 95449^2 + 86046^2 .

It is an emirp because it is prime and its reverse (71752441561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16514425717 - 2¹¹ = 16514423669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16514425777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8257212858 + 8257212859.

It is an arithmetic number, because the mean of its divisors is an integer number (8257212859).

Almost surely, 2^16514425717 is an apocalyptic number.

It is an amenable number.

16514425717 is a deficient number, since it is larger than the sum of its proper divisors (1).

16514425717 is an equidigital number, since it uses as much as digits as its factorization.

16514425717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 43.

The spelling of 16514425717 in words is "sixteen billion, five hundred fourteen million, four hundred twenty-five thousand, seven hundred seventeen".