66324666 has 8 divisors (see below), whose sum is σ = 132649344. Its totient is φ = 22108220.

The previous prime is 66324613. The next prime is 66324697. The reversal of 66324666 is 66642366.

66324666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

66324666 is an admirable number.

It is a super-2 number, since 2×66324666² = 8797922640023112, which contains 22 as substring.

It is an unprimeable number.

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, 5527050 + ... + 5527061.

It is an arithmetic number, because the mean of its divisors is an integer number (16581168).

Almost surely, 2^66324666 is an apocalyptic number.

66324666 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.

66324666 is a wasteful number, since it uses less digits than its factorization.

66324666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11054116.

The product of its digits is 186624, while the sum is 39.

The square root of 66324666 is about 8143.9957023564. The cubic root of 66324666 is about 404.7855715993.

The spelling of 66324666 in words is "sixty-six million, three hundred twenty-four thousand, six hundred sixty-six".