16316509771 has 2 divisors, whose sum is σ = 16316509772. Its totient is φ = 16316509770.

The previous prime is 16316509757. The next prime is 16316509789. The reversal of 16316509771 is 17790561361.

16316509771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16316509771 - 2⁹ = 16316509259 is a prime.

It is a super-2 number, since 2×16316509771² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16316509721) 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, 8158254885 + 8158254886.

It is an arithmetic number, because the mean of its divisors is an integer number (8158254886).

Almost surely, 2^16316509771 is an apocalyptic number.

16316509771 is a deficient number, since it is larger than the sum of its proper divisors (1).

16316509771 is an equidigital number, since it uses as much as digits as its factorization.

16316509771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 46.

The spelling of 16316509771 in words is "sixteen billion, three hundred sixteen million, five hundred nine thousand, seven hundred seventy-one".