66324238 has 16 divisors (see below), whose sum is σ = 103129344. Its totient is φ = 31969080.

The previous prime is 66324233. The next prime is 66324241. The reversal of 66324238 is 83242366.

66324238 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 not an unprimeable number, because it can be changed into a prime (66324233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1033 + ... + 11563.

It is an arithmetic number, because the mean of its divisors is an integer number (6445584).

Almost surely, 2^66324238 is an apocalyptic number.

66324238 is a deficient number, since it is larger than the sum of its proper divisors (36805106).

66324238 is a wasteful number, since it uses less digits than its factorization.

66324238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10647.

The product of its digits is 41472, while the sum is 34.

The square root of 66324238 is about 8143.9694252864. The cubic root of 66324238 is about 404.7847008896.

The spelling of 66324238 in words is "sixty-six million, three hundred twenty-four thousand, two hundred thirty-eight".