3566345636 has 36 divisors (see below), whose sum is σ = 7281738828. Its totient is φ = 1523870208.

The previous prime is 3566345579. The next prime is 3566345639. The reversal of 3566345636 is 6365436653.

It can be written as a sum of positive squares in 2 ways, for example, as 2533108900 + 1033236736 = 50330^2 + 32144^2 .

It is not an unprimeable number, because it can be changed into a prime (3566345639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39056 + ... + 93048.

It is an arithmetic number, because the mean of its divisors is an integer number (202270523).

Almost surely, 2^3566345636 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 3566345636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3640869414).

3566345636 is an abundant number, since it is smaller than the sum of its proper divisors (3715393192).

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

3566345636 is a wasteful number, since it uses less digits than its factorization.

3566345636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54348 (or 54339 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 47.

The square root of 3566345636 is about 59718.8884357370. Note that the first 3 decimals coincide. The cubic root of 3566345636 is about 1527.8280424026.

The spelling of 3566345636 in words is "three billion, five hundred sixty-six million, three hundred forty-five thousand, six hundred thirty-six".