16345199 has 4 divisors (see below), whose sum is σ = 17602536. Its totient is φ = 15087864.

The previous prime is 16345171. The next prime is 16345229. The reversal of 16345199 is 99154361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16345199 - 2¹² = 16341103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16345129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628649 + ... + 628674.

It is an arithmetic number, because the mean of its divisors is an integer number (4400634).

Almost surely, 2^16345199 is an apocalyptic number.

16345199 is a deficient number, since it is larger than the sum of its proper divisors (1257337).

16345199 is a wasteful number, since it uses less digits than its factorization.

16345199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257336.

The product of its digits is 29160, while the sum is 38.

The square root of 16345199 is about 4042.9196133487. The cubic root of 16345199 is about 253.7835126049.

The spelling of 16345199 in words is "sixteen million, three hundred forty-five thousand, one hundred ninety-nine".