66813327182 has 8 divisors (see below), whose sum is σ = 114537132336. Its totient is φ = 28634283072.

The previous prime is 66813327181. The next prime is 66813327193. The reversal of 66813327182 is 28172331866.

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

It is a super-2 number, since 2×66813327182² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66813327181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386190243 + ... + 2386190270.

It is an arithmetic number, because the mean of its divisors is an integer number (14317141542).

Almost surely, 2^66813327182 is an apocalyptic number.

66813327182 is a deficient number, since it is larger than the sum of its proper divisors (47723805154).

66813327182 is a wasteful number, since it uses less digits than its factorization.

66813327182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772380522.

The product of its digits is 580608, while the sum is 47.

The spelling of 66813327182 in words is "sixty-six billion, eight hundred thirteen million, three hundred twenty-seven thousand, one hundred eighty-two".