5663635266 has 16 divisors (see below), whose sum is σ = 11568276864. Its totient is φ = 1847710704.

The previous prime is 5663635247. The next prime is 5663635277. The reversal of 5663635266 is 6625363665.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10041625 + ... + 10042188.

It is an arithmetic number, because the mean of its divisors is an integer number (723017304).

Almost surely, 2^5663635266 is an apocalyptic number.

5663635266 is an abundant number, since it is smaller than the sum of its proper divisors (5904641598).

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

5663635266 is a wasteful number, since it uses less digits than its factorization.

5663635266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20083865.

The product of its digits is 3499200, while the sum is 48.

The square root of 5663635266 is about 75257.1276757225. The cubic root of 5663635266 is about 1782.5091141074.

The spelling of 5663635266 in words is "five billion, six hundred sixty-three million, six hundred thirty-five thousand, two hundred sixty-six".