16679844 has 30 divisors (see below), whose sum is σ = 43605254. Its totient is φ = 5559840.

The previous prime is 16679833. The next prime is 16679849. The reversal of 16679844 is 44897661.

It can be written as a sum of positive squares in only one way, i.e., 12320100 + 4359744 = 3510^2 + 2088^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16679844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16679849) 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 9 ways as a sum of consecutive naturals, for example, 25417 + ... + 26064.

Almost surely, 2^16679844 is an apocalyptic number.

It is an amenable number.

16679844 is an abundant number, since it is smaller than the sum of its proper divisors (26925410).

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

16679844 is a wasteful number, since it uses less digits than its factorization.

16679844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51497 (or 51486 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 16679844 is about 4084.0964729056. The cubic root of 16679844 is about 255.5037791627.

It can be divided in two parts, 1667 and 9844, that added together give a palindrome (11511).

The spelling of 16679844 in words is "sixteen million, six hundred seventy-nine thousand, eight hundred forty-four".