16677199 has 12 divisors (see below), whose sum is σ = 21164328. Its totient is φ = 12994800.

The previous prime is 16677191. The next prime is 16677209. The reversal of 16677199 is 99177661.

It is not a de Polignac number, because 16677199 - 2³ = 16677191 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 (16677191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14932 + ... + 16009.

It is an arithmetic number, because the mean of its divisors is an integer number (1763694).

Almost surely, 2^16677199 is an apocalyptic number.

16677199 is a deficient number, since it is larger than the sum of its proper divisors (4487129).

16677199 is a wasteful number, since it uses less digits than its factorization.

16677199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30966 (or 30959 counting only the distinct ones).

The product of its digits is 142884, while the sum is 46.

The square root of 16677199 is about 4083.7726430349. The cubic root of 16677199 is about 255.4902729768.

The spelling of 16677199 in words is "sixteen million, six hundred seventy-seven thousand, one hundred ninety-nine".