16297199 has 4 divisors (see below), whose sum is σ = 16441536. Its totient is φ = 16152864.

The previous prime is 16297153. The next prime is 16297201. The reversal of 16297199 is 99179261.

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 16297199 - 2¹² = 16293103 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 (16297139) 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, 71999 + ... + 72224.

It is an arithmetic number, because the mean of its divisors is an integer number (4110384).

Almost surely, 2^16297199 is an apocalyptic number.

16297199 is a deficient number, since it is larger than the sum of its proper divisors (144337).

16297199 is a wasteful number, since it uses less digits than its factorization.

16297199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144336.

The product of its digits is 61236, while the sum is 44.

The square root of 16297199 is about 4036.9789447061. The cubic root of 16297199 is about 253.5348452451.

The spelling of 16297199 in words is "sixteen million, two hundred ninety-seven thousand, one hundred ninety-nine".