16450937717 has 2 divisors, whose sum is σ = 16450937718. Its totient is φ = 16450937716.

The previous prime is 16450937707. The next prime is 16450937747. The reversal of 16450937717 is 71773905461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16428574276 + 22363441 = 128174^2 + 4729^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16450937717 is a prime.

It is a super-2 number, since 2×16450937717² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16450937707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8225468858 + 8225468859.

It is an arithmetic number, because the mean of its divisors is an integer number (8225468859).

Almost surely, 2^16450937717 is an apocalyptic number.

It is an amenable number.

16450937717 is a deficient number, since it is larger than the sum of its proper divisors (1).

16450937717 is an equidigital number, since it uses as much as digits as its factorization.

16450937717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1111320, while the sum is 50.

The spelling of 16450937717 in words is "sixteen billion, four hundred fifty million, nine hundred thirty-seven thousand, seven hundred seventeen".