66000168 has 96 divisors (see below), whose sum is σ = 194594400. Its totient is φ = 20087424.

The previous prime is 66000157. The next prime is 66000169. The reversal of 66000168 is 86100066.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (66000169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99823 + ... + 100481.

It is an arithmetic number, because the mean of its divisors is an integer number (2027025).

Almost surely, 2^66000168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66000168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97297200).

66000168 is an abundant number, since it is smaller than the sum of its proper divisors (128594232).

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

66000168 is a wasteful number, since it uses less digits than its factorization.

66000168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 66000168 is about 8124.0487443146. The cubic root of 66000168 is about 404.1243449550.

The spelling of 66000168 in words is "sixty-six million, one hundred sixty-eight", and thus it is an aban number.