66324938 has 8 divisors (see below), whose sum is σ = 100146720. Its totient is φ = 32942700.

The previous prime is 66324931. The next prime is 66324967. The reversal of 66324938 is 83942366.

66324938 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.

It is a junction number, because it is equal to n+sod(n) for n = 66324895 and 66324904.

It is not an unprimeable number, because it can be changed into a prime (66324931) 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 3 ways as a sum of consecutive naturals, for example, 109508 + ... + 110111.

It is an arithmetic number, because the mean of its divisors is an integer number (12518340).

Almost surely, 2^66324938 is an apocalyptic number.

66324938 is a deficient number, since it is larger than the sum of its proper divisors (33821782).

66324938 is a wasteful number, since it uses less digits than its factorization.

66324938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219772.

The product of its digits is 186624, while the sum is 41.

The square root of 66324938 is about 8144.0124017587. The cubic root of 66324938 is about 404.7861249456.

The spelling of 66324938 in words is "sixty-six million, three hundred twenty-four thousand, nine hundred thirty-eight".