18876668 has 6 divisors (see below), whose sum is σ = 33034176. Its totient is φ = 9438332.

The previous prime is 18876667. The next prime is 18876679. The reversal of 18876668 is 86667881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18876667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2359580 + ... + 2359587.

It is an arithmetic number, because the mean of its divisors is an integer number (5505696).

Almost surely, 2^18876668 is an apocalyptic number.

It is an amenable number.

18876668 is a deficient number, since it is larger than the sum of its proper divisors (14157508).

18876668 is a wasteful number, since it uses less digits than its factorization.

18876668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719171 (or 4719169 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 18876668 is about 4344.7287602335. The cubic root of 18876668 is about 266.2615438727.

The spelling of 18876668 in words is "eighteen million, eight hundred seventy-six thousand, six hundred sixty-eight".