16668296 has 16 divisors (see below), whose sum is σ = 33091740. Its totient is φ = 7843840.

The previous prime is 16668287. The next prime is 16668299. The reversal of 16668296 is 69286661.

It can be written as a sum of positive squares in 2 ways, for example, as 14668900 + 1999396 = 3830^2 + 1414^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16668299) 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 3 ways as a sum of consecutive naturals, for example, 61145 + ... + 61416.

Almost surely, 2^16668296 is an apocalyptic number.

It is an amenable number.

16668296 is a deficient number, since it is larger than the sum of its proper divisors (16423444).

16668296 is a wasteful number, since it uses less digits than its factorization.

16668296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122584 (or 122580 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 16668296 is about 4082.6824515262. The cubic root of 16668296 is about 255.4448010166. Note that the first 3 decimals are identical.

The spelling of 16668296 in words is "sixteen million, six hundred sixty-eight thousand, two hundred ninety-six".