66366168 has 32 divisors (see below), whose sum is σ = 180999360. Its totient is φ = 20110880.

The previous prime is 66366163. The next prime is 66366203. The reversal of 66366168 is 86166366.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66366163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125430 + ... + 125957.

It is an arithmetic number, because the mean of its divisors is an integer number (5656230).

Almost surely, 2^66366168 is an apocalyptic number.

It is an amenable number.

66366168 is an abundant number, since it is smaller than the sum of its proper divisors (114633192).

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

66366168 is a wasteful number, since it uses less digits than its factorization.

66366168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251407 (or 251403 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 66366168 is about 8146.5433160329. The cubic root of 66366168 is about 404.8699841766.

The spelling of 66366168 in words is "sixty-six million, three hundred sixty-six thousand, one hundred sixty-eight".