16788099 has 4 divisors (see below), whose sum is σ = 22384136. Its totient is φ = 11192064.

The previous prime is 16788089. The next prime is 16788113. The reversal of 16788099 is 99088761.

It is a happy number.

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

It is not a de Polignac number, because 16788099 - 2⁵ = 16788067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16788059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2798014 + ... + 2798019.

It is an arithmetic number, because the mean of its divisors is an integer number (5596034).

Almost surely, 2^16788099 is an apocalyptic number.

16788099 is a deficient number, since it is larger than the sum of its proper divisors (5596037).

16788099 is an equidigital number, since it uses as much as digits as its factorization.

16788099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596036.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 16788099 is about 4097.3282758402. The cubic root of 16788099 is about 256.0553418358.

The spelling of 16788099 in words is "sixteen million, seven hundred eighty-eight thousand, ninety-nine".