16679773 has 4 divisors (see below), whose sum is σ = 18196128. Its totient is φ = 15163420.

The previous prime is 16679759. The next prime is 16679797. The reversal of 16679773 is 37797661.

It is a happy number.

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: 37797661 = 11 ⋅3436151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16679773 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 (16679573) 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, 758161 + ... + 758182.

It is an arithmetic number, because the mean of its divisors is an integer number (4549032).

Almost surely, 2^16679773 is an apocalyptic number.

It is an amenable number.

16679773 is a deficient number, since it is larger than the sum of its proper divisors (1516355).

16679773 is a wasteful number, since it uses less digits than its factorization.

16679773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516354.

The product of its digits is 333396, while the sum is 46.

The square root of 16679773 is about 4084.0877806433. The cubic root of 16679773 is about 255.5034166334.

The spelling of 16679773 in words is "sixteen million, six hundred seventy-nine thousand, seven hundred seventy-three".