16398422267 has 2 divisors, whose sum is σ = 16398422268. Its totient is φ = 16398422266.

The previous prime is 16398422219. The next prime is 16398422297. The reversal of 16398422267 is 76222489361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16398422267 - 2⁸ = 16398422011 is a prime.

It is not a weakly prime, because it can be changed into another prime (16398422297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8199211133 + 8199211134.

It is an arithmetic number, because the mean of its divisors is an integer number (8199211134).

Almost surely, 2^16398422267 is an apocalyptic number.

16398422267 is a deficient number, since it is larger than the sum of its proper divisors (1).

16398422267 is an equidigital number, since it uses as much as digits as its factorization.

16398422267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 50.

The spelling of 16398422267 in words is "sixteen billion, three hundred ninety-eight million, four hundred twenty-two thousand, two hundred sixty-seven".