16318459 has 2 divisors, whose sum is σ = 16318460. Its totient is φ = 16318458.

The previous prime is 16318411. The next prime is 16318483. The reversal of 16318459 is 95481361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16318459 - 2⁹ = 16317947 is a prime.

It is not a weakly prime, because it can be changed into another prime (16318559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8159229 + 8159230.

It is an arithmetic number, because the mean of its divisors is an integer number (8159230).

Almost surely, 2^16318459 is an apocalyptic number.

16318459 is a deficient number, since it is larger than the sum of its proper divisors (1).

16318459 is an equidigital number, since it uses as much as digits as its factorization.

16318459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The square root of 16318459 is about 4039.6112436718. The cubic root of 16318459 is about 253.6450443179.

The spelling of 16318459 in words is "sixteen million, three hundred eighteen thousand, four hundred fifty-nine".