16679717 has 8 divisors (see below), whose sum is σ = 17100096. Its totient is φ = 16264512.

The previous prime is 16679699. The next prime is 16679759. The reversal of 16679717 is 71797661.

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 not a de Polignac number, because 16679717 - 2⁶ = 16679653 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 (16679797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5693 + ... + 8109.

It is an arithmetic number, because the mean of its divisors is an integer number (2137512).

Almost surely, 2^16679717 is an apocalyptic number.

It is an amenable number.

16679717 is a deficient number, since it is larger than the sum of its proper divisors (420379).

16679717 is a wasteful number, since it uses less digits than its factorization.

16679717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587.

The product of its digits is 111132, while the sum is 44.

The square root of 16679717 is about 4084.0809247614. The cubic root of 16679717 is about 255.5031306941.

The spelling of 16679717 in words is "sixteen million, six hundred seventy-nine thousand, seven hundred seventeen".