16345859 has 2 divisors, whose sum is σ = 16345860. Its totient is φ = 16345858.

The previous prime is 16345853. The next prime is 16345867. The reversal of 16345859 is 95854361.

It is a weak prime.

It is an emirp because it is prime and its reverse (95854361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16345859 - 2⁴ = 16345843 is a prime.

It is not a weakly prime, because it can be changed into another prime (16345853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8172929 + 8172930.

It is an arithmetic number, because the mean of its divisors is an integer number (8172930).

Almost surely, 2^16345859 is an apocalyptic number.

16345859 is a deficient number, since it is larger than the sum of its proper divisors (1).

16345859 is an equidigital number, since it uses as much as digits as its factorization.

16345859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 41.

The square root of 16345859 is about 4043.0012367052. The cubic root of 16345859 is about 253.7869283860.

The spelling of 16345859 in words is "sixteen million, three hundred forty-five thousand, eight hundred fifty-nine".