16240015386317 has 2 divisors, whose sum is σ = 16240015386318. Its totient is φ = 16240015386316.

The previous prime is 16240015386251. The next prime is 16240015386319. The reversal of 16240015386317 is 71368351004261.

16240015386317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15660215375401 + 579800010916 = 3957299^2 + 761446^2 .

It is a cyclic number.

It is not a de Polignac number, because 16240015386317 - 2⁸ = 16240015386061 is a prime.

It is a super-4 number, since 4×16240015386317⁴ (a number of 54 digits) contains 4444 as substring.

Together with 16240015386319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16240015386319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8120007693158 + 8120007693159.

It is an arithmetic number, because the mean of its divisors is an integer number (8120007693159).

Almost surely, 2^{16240015386317} is an apocalyptic number.

It is an amenable number.

16240015386317 is a deficient number, since it is larger than the sum of its proper divisors (1).

16240015386317 is an equidigital number, since it uses as much as digits as its factorization.

16240015386317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 16240015386317 in words is "sixteen trillion, two hundred forty billion, fifteen million, three hundred eighty-six thousand, three hundred seventeen".