16679956 has 12 divisors (see below), whose sum is σ = 29275092. Its totient is φ = 8315648.

The previous prime is 16679951. The next prime is 16679977. The reversal of 16679956 is 65997661.

It can be written as a sum of positive squares in 2 ways, for example, as 6656400 + 10023556 = 2580^2 + 3166^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16679951) by changing a digit.

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, 4495 + ... + 7318.

It is an arithmetic number, because the mean of its divisors is an integer number (2439591).

Almost surely, 2^16679956 is an apocalyptic number.

It is an amenable number.

16679956 is a deficient number, since it is larger than the sum of its proper divisors (12595136).

16679956 is a wasteful number, since it uses less digits than its factorization.

16679956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12170 (or 12168 counting only the distinct ones).

The product of its digits is 612360, while the sum is 49.

The square root of 16679956 is about 4084.1101846057. The cubic root of 16679956 is about 255.5043510377.

The spelling of 16679956 in words is "sixteen million, six hundred seventy-nine thousand, nine hundred fifty-six".