16316931613 has 2 divisors, whose sum is σ = 16316931614. Its totient is φ = 16316931612.

The previous prime is 16316931539. The next prime is 16316931637. The reversal of 16316931613 is 31613961361.

16316931613 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., 16190526564 + 126405049 = 127242^2 + 11243^2 .

It is a cyclic number.

It is not a de Polignac number, because 16316931613 - 2²¹ = 16314834461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16316931643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8158465806 + 8158465807.

It is an arithmetic number, because the mean of its divisors is an integer number (8158465807).

Almost surely, 2^16316931613 is an apocalyptic number.

It is an amenable number.

16316931613 is a deficient number, since it is larger than the sum of its proper divisors (1).

16316931613 is an equidigital number, since it uses as much as digits as its factorization.

16316931613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 40.

The spelling of 16316931613 in words is "sixteen billion, three hundred sixteen million, nine hundred thirty-one thousand, six hundred thirteen".