3636375066 has 64 divisors (see below), whose sum is σ = 8404640640. Its totient is φ = 1164481920.

The previous prime is 3636375037. The next prime is 3636375077. The reversal of 3636375066 is 6605736363.

3636375066 is a `hidden beast` number, since 3 + 6 + 3 + 637 + 5 + 0 + 6 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128806 + ... + 154478.

It is an arithmetic number, because the mean of its divisors is an integer number (131322510).

Almost surely, 2^3636375066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3636375066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4202320320).

3636375066 is an abundant number, since it is smaller than the sum of its proper divisors (4768265574).

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

3636375066 is a wasteful number, since it uses less digits than its factorization.

3636375066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25788 (or 25782 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 45.

The square root of 3636375066 is about 60302.3636850165. The cubic root of 3636375066 is about 1537.7635307944.

The spelling of 3636375066 in words is "three billion, six hundred thirty-six million, three hundred seventy-five thousand, sixty-six".