66582713252824 has 16 divisors (see below), whose sum is σ = 131413249841400. Its totient is φ = 31539179961792.

The previous prime is 66582713252749. The next prime is 66582713252827. The reversal of 66582713252824 is 42825231728566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66582713252827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219022082917 + ... + 219022083220.

Almost surely, 2^{66582713252824} is an apocalyptic number.

It is an amenable number.

66582713252824 is a deficient number, since it is larger than the sum of its proper divisors (64830536588576).

66582713252824 is a wasteful number, since it uses less digits than its factorization.

66582713252824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438044166162 (or 438044166158 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 61.

The spelling of 66582713252824 in words is "sixty-six trillion, five hundred eighty-two billion, seven hundred thirteen million, two hundred fifty-two thousand, eight hundred twenty-four".