5665663063 has 4 divisors (see below), whose sum is σ = 5665820400. Its totient is φ = 5665505728.

The previous prime is 5665663021. The next prime is 5665663099. The reversal of 5665663063 is 3603665665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5665663063 - 2⁹ = 5665662551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665663963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5031 + ... + 106567.

It is an arithmetic number, because the mean of its divisors is an integer number (1416455100).

Almost surely, 2^5665663063 is an apocalyptic number.

5665663063 is a deficient number, since it is larger than the sum of its proper divisors (157337).

5665663063 is a wasteful number, since it uses less digits than its factorization.

5665663063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157336.

The product of its (nonzero) digits is 1749600, while the sum is 46.

The square root of 5665663063 is about 75270.5989281340. The cubic root of 5665663063 is about 1782.7218240934.

The spelling of 5665663063 in words is "five billion, six hundred sixty-five million, six hundred sixty-three thousand, sixty-three".