16673939 has 8 divisors (see below), whose sum is σ = 17678208. Its totient is φ = 15698880.

The previous prime is 16673929. The next prime is 16673971. The reversal of 16673939 is 93937661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16673939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16673939.

It is not an unprimeable number, because it can be changed into a prime (16673929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6122 + ... + 8415.

It is an arithmetic number, because the mean of its divisors is an integer number (2209776).

Almost surely, 2^16673939 is an apocalyptic number.

16673939 is a deficient number, since it is larger than the sum of its proper divisors (1004269).

16673939 is a wasteful number, since it uses less digits than its factorization.

16673939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14605.

The product of its digits is 183708, while the sum is 44.

The square root of 16673939 is about 4083.3734827958. The cubic root of 16673939 is about 255.4736244463.

The spelling of 16673939 in words is "sixteen million, six hundred seventy-three thousand, nine hundred thirty-nine".