16199 has 4 divisors (see below), whose sum is σ = 16464. Its totient is φ = 15936.

The previous prime is 16193. The next prime is 16217. The reversal of 16199 is 99161.

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 16199 - 2⁴ = 16183 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16193) 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, 14 + ... + 180.

It is an arithmetic number, because the mean of its divisors is an integer number (4116).

2¹⁶¹⁹⁹ is an apocalyptic number.

16199 is a deficient number, since it is larger than the sum of its proper divisors (265).

16199 is an equidigital number, since it uses as much as digits as its factorization.

16199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264.

The product of its digits is 486, while the sum is 26.

The square root of 16199 is about 127.2752921819. The cubic root of 16199 is about 25.3024593109.

The spelling of 16199 in words is "sixteen thousand, one hundred ninety-nine".