66636282 has 8 divisors (see below), whose sum is σ = 133272576. Its totient is φ = 22212092.

The previous prime is 66636247. The next prime is 66636289. The reversal of 66636282 is 28263666.

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

66636282 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 66636282.

It is not an unprimeable number, because it can be changed into a prime (66636289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5553018 + ... + 5553029.

It is an arithmetic number, because the mean of its divisors is an integer number (16659072).

Almost surely, 2^66636282 is an apocalyptic number.

66636282 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.

66636282 is a wasteful number, since it uses less digits than its factorization.

66636282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106052.

The product of its digits is 124416, while the sum is 39.

The square root of 66636282 is about 8163.1049239857. The cubic root of 66636282 is about 405.4185217837.

The spelling of 66636282 in words is "sixty-six million, six hundred thirty-six thousand, two hundred eighty-two".