5636663066 has 8 divisors (see below), whose sum is σ = 8456484564. Its totient is φ = 2817834880.

The previous prime is 5636663059. The next prime is 5636663069. The reversal of 5636663066 is 6603666365.

It can be written as a sum of positive squares in 2 ways, for example, as 5579343025 + 57320041 = 74695^2 + 7571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5636663066.

It is not an unprimeable number, because it can be changed into a prime (5636663069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233975 + ... + 256938.

Almost surely, 2^5636663066 is an apocalyptic number.

5636663066 is a deficient number, since it is larger than the sum of its proper divisors (2819821498).

5636663066 is a wasteful number, since it uses less digits than its factorization.

5636663066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496656.

The product of its (nonzero) digits is 2099520, while the sum is 47.

The square root of 5636663066 is about 75077.7135107350. The cubic root of 5636663066 is about 1779.6749675845.

The spelling of 5636663066 in words is "five billion, six hundred thirty-six million, six hundred sixty-three thousand, sixty-six".