5663366531 has 4 divisors (see below), whose sum is σ = 5801497464. Its totient is φ = 5525235600.

The previous prime is 5663366497. The next prime is 5663366539. The reversal of 5663366531 is 1356633665.

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 5663366531 - 2¹⁸ = 5663104387 is a prime.

It is a super-2 number, since 2×5663366531² = 64147440928901947922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5663366539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69065405 + ... + 69065486.

It is an arithmetic number, because the mean of its divisors is an integer number (1450374366).

Almost surely, 2^5663366531 is an apocalyptic number.

5663366531 is a deficient number, since it is larger than the sum of its proper divisors (138130933).

5663366531 is a wasteful number, since it uses less digits than its factorization.

5663366531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138130932.

The product of its digits is 874800, while the sum is 44.

The square root of 5663366531 is about 75255.3422090419. The cubic root of 5663366531 is about 1782.4809207803.

The spelling of 5663366531 in words is "five billion, six hundred sixty-three million, three hundred sixty-six thousand, five hundred thirty-one".