16806099 has 4 divisors (see below), whose sum is σ = 22408136. Its totient is φ = 11204064.

The previous prime is 16806071. The next prime is 16806173. The reversal of 16806099 is 99060861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99060861 = 3 ⋅33020287.

It is not a de Polignac number, because 16806099 - 2⁵ = 16806067 is a prime.

It is a super-5 number, since 5×16806099⁵ (a number of 37 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16806019) 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, 2801014 + ... + 2801019.

It is an arithmetic number, because the mean of its divisors is an integer number (5602034).

Almost surely, 2^16806099 is an apocalyptic number.

16806099 is a deficient number, since it is larger than the sum of its proper divisors (5602037).

16806099 is an equidigital number, since it uses as much as digits as its factorization.

16806099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602036.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 16806099 is about 4099.5242406894. The cubic root of 16806099 is about 256.1468223125.

The spelling of 16806099 in words is "sixteen million, eight hundred six thousand, ninety-nine".