18476668 has 12 divisors (see below), whose sum is σ = 36953392. Its totient is φ = 7918560.

The previous prime is 18476663. The next prime is 18476669. The reversal of 18476668 is 86667481.

It is a happy number.

18476668 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18476663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329913 + ... + 329968.

Almost surely, 2^18476668 is an apocalyptic number.

It is an amenable number.

18476668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18476668 is a wasteful number, since it uses less digits than its factorization.

18476668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659892 (or 659890 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 18476668 is about 4298.4494878968. The cubic root of 18476668 is about 264.3673909995.

It can be divided in two parts, 1847 and 6668, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 18476668 in words is "eighteen million, four hundred seventy-six thousand, six hundred sixty-eight".