3566905668 has 72 divisors (see below), whose sum is σ = 9159224256. Its totient is φ = 1170187200.

The previous prime is 3566905637. The next prime is 3566905673. The reversal of 3566905668 is 8665096653.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2404455 + ... + 2405937.

It is an arithmetic number, because the mean of its divisors is an integer number (127211448).

Almost surely, 2^3566905668 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 3566905668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4579612128).

3566905668 is an abundant number, since it is smaller than the sum of its proper divisors (5592318588).

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

3566905668 is a wasteful number, since it uses less digits than its factorization.

3566905668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The square root of 3566905668 is about 59723.5771534157. The cubic root of 3566905668 is about 1527.9080110781.

The spelling of 3566905668 in words is "three billion, five hundred sixty-six million, nine hundred five thousand, six hundred sixty-eight".