16133668 has 24 divisors (see below), whose sum is σ = 28980000. Its totient is φ = 7856448.

The previous prime is 16133647. The next prime is 16133681. The reversal of 16133668 is 86633161.

It is a happy number.

16133668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32083 + ... + 32581.

It is an arithmetic number, because the mean of its divisors is an integer number (1207500).

Almost surely, 2^16133668 is an apocalyptic number.

It is an amenable number.

16133668 is a deficient number, since it is larger than the sum of its proper divisors (12846332).

16133668 is a wasteful number, since it uses less digits than its factorization.

16133668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 697 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 16133668 is about 4016.6737482649. The cubic root of 16133668 is about 252.6839779316.

The spelling of 16133668 in words is "sixteen million, one hundred thirty-three thousand, six hundred sixty-eight".