4068666 has 48 divisors (see below), whose sum is σ = 10296000. Its totient is φ = 1160712.

The previous prime is 4068653. The next prime is 4068667. The reversal of 4068666 is 6668604.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4068666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4068667) 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, 5845 + ... + 6503.

It is an arithmetic number, because the mean of its divisors is an integer number (214500).

Almost surely, 2^4068666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4068666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5148000).

4068666 is an abundant number, since it is smaller than the sum of its proper divisors (6227334).

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

4068666 is a wasteful number, since it uses less digits than its factorization.

4068666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 4068666 is about 2017.0934534622. The cubic root of 4068666 is about 159.6432938873.

The spelling of 4068666 in words is "four million, sixty-eight thousand, six hundred sixty-six".