16396367089 has 2 divisors, whose sum is σ = 16396367090. Its totient is φ = 16396367088.

The previous prime is 16396367087. The next prime is 16396367123. The reversal of 16396367089 is 98076369361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13710536464 + 2685830625 = 117092^2 + 51825^2 .

It is a cyclic number.

It is not a de Polignac number, because 16396367089 - 2¹ = 16396367087 is a prime.

Together with 16396367087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16396367081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8198183544 + 8198183545.

It is an arithmetic number, because the mean of its divisors is an integer number (8198183545).

Almost surely, 2^16396367089 is an apocalyptic number.

It is an amenable number.

16396367089 is a deficient number, since it is larger than the sum of its proper divisors (1).

16396367089 is an equidigital number, since it uses as much as digits as its factorization.

16396367089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8817984, while the sum is 58.

The spelling of 16396367089 in words is "sixteen billion, three hundred ninety-six million, three hundred sixty-seven thousand, eighty-nine".