66383152180 has 12 divisors (see below), whose sum is σ = 139404619620. Its totient is φ = 26553260864.

The previous prime is 66383152163. The next prime is 66383152183. The reversal of 66383152180 is 8125138366.

It can be written as a sum of positive squares in 2 ways, for example, as 15965838736 + 50417313444 = 126356^2 + 224538^2 .

It is a super-3 number, since 3×66383152180³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66383152183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659578785 + ... + 1659578824.

It is an arithmetic number, because the mean of its divisors is an integer number (11617051635).

Almost surely, 2^66383152180 is an apocalyptic number.

It is an amenable number.

66383152180 is an abundant number, since it is smaller than the sum of its proper divisors (73021467440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66383152180 is a wasteful number, since it uses less digits than its factorization.

66383152180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319157618 (or 3319157616 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 66383152180 in words is "sixty-six billion, three hundred eighty-three million, one hundred fifty-two thousand, one hundred eighty".