16629668 has 24 divisors (see below), whose sum is σ = 32227104. Its totient is φ = 7444800.

The previous prime is 16629649. The next prime is 16629677. The reversal of 16629668 is 86692661.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128 + ... + 5768.

It is an arithmetic number, because the mean of its divisors is an integer number (1342796).

Almost surely, 2^16629668 is an apocalyptic number.

It is an amenable number.

16629668 is a deficient number, since it is larger than the sum of its proper divisors (15597436).

16629668 is a wasteful number, since it uses less digits than its factorization.

16629668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723 (or 5721 counting only the distinct ones).

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

The square root of 16629668 is about 4077.9489942862. The cubic root of 16629668 is about 255.2473212431.

The spelling of 16629668 in words is "sixteen million, six hundred twenty-nine thousand, six hundred sixty-eight".