16500441317 has 2 divisors, whose sum is σ = 16500441318. Its totient is φ = 16500441316.

The previous prime is 16500441311. The next prime is 16500441337. The reversal of 16500441317 is 71314400561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11371876321 + 5128564996 = 106639^2 + 71614^2 .

It is a cyclic number.

It is not a de Polignac number, because 16500441317 - 2⁶ = 16500441253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16500441311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8250220658 + 8250220659.

It is an arithmetic number, because the mean of its divisors is an integer number (8250220659).

Almost surely, 2^16500441317 is an apocalyptic number.

It is an amenable number.

16500441317 is a deficient number, since it is larger than the sum of its proper divisors (1).

16500441317 is an equidigital number, since it uses as much as digits as its factorization.

16500441317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 16500441317 its reverse (71314400561), we get a palindrome (87814841878).

The spelling of 16500441317 in words is "sixteen billion, five hundred million, four hundred forty-one thousand, three hundred seventeen".