16675717 has 4 divisors (see below), whose sum is σ = 16750720. Its totient is φ = 16600716.

The previous prime is 16675709. The next prime is 16675721. The reversal of 16675717 is 71757661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71757661 = 19 ⋅3776719.

It is a cyclic number.

It is not a de Polignac number, because 16675717 - 2³ = 16675709 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 16675717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16675727) 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, 37167 + ... + 37612.

It is an arithmetic number, because the mean of its divisors is an integer number (4187680).

Almost surely, 2^16675717 is an apocalyptic number.

It is an amenable number.

16675717 is a deficient number, since it is larger than the sum of its proper divisors (75003).

16675717 is an equidigital number, since it uses as much as digits as its factorization.

16675717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75002.

The product of its digits is 61740, while the sum is 40.

The square root of 16675717 is about 4083.5911891373. The cubic root of 16675717 is about 255.4827048034.

The spelling of 16675717 in words is "sixteen million, six hundred seventy-five thousand, seven hundred seventeen".