16679744 has 28 divisors (see below), whose sum is σ = 33528000. Its totient is φ = 8231808.

The previous prime is 16679699. The next prime is 16679759. The reversal of 16679744 is 44797661.

It is a junction number, because it is equal to n+sod(n) for n = 16679695 and 16679704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3407 + ... + 6705.

Almost surely, 2^16679744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16679744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16764000).

16679744 is an abundant number, since it is smaller than the sum of its proper divisors (16848256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16679744 is an equidigital number, since it uses as much as digits as its factorization.

16679744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390 (or 3380 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 16679744 is about 4084.0842302773. The cubic root of 16679744 is about 255.5032685578.

It can be divided in two parts, 1667 and 9744, that added together give a palindrome (11411).

The spelling of 16679744 in words is "sixteen million, six hundred seventy-nine thousand, seven hundred forty-four".