5666630553 has 24 divisors (see below), whose sum is σ = 8752443336. Its totient is φ = 3520320000.

The previous prime is 5666630533. The next prime is 5666630561. The reversal of 5666630553 is 3550366665.

It can be written as a sum of positive squares in 4 ways, for example, as 4857114249 + 809516304 = 69693^2 + 28452^2 .

It is not a de Polignac number, because 5666630553 - 2¹² = 5666626457 is a prime.

It is a super-2 number, since 2×5666630553² = 64221403648386171618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5666630499 and 5666630508.

It is not an unprimeable number, because it can be changed into a prime (5666630533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167898 + ... + 198803.

It is an arithmetic number, because the mean of its divisors is an integer number (364685139).

Almost surely, 2^5666630553 is an apocalyptic number.

It is an amenable number.

5666630553 is a deficient number, since it is larger than the sum of its proper divisors (3085812783).

5666630553 is a wasteful number, since it uses less digits than its factorization.

5666630553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366825 (or 366822 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 45.

The square root of 5666630553 is about 75277.0253995201. The cubic root of 5666630553 is about 1782.8232930861.

The spelling of 5666630553 in words is "five billion, six hundred sixty-six million, six hundred thirty thousand, five hundred fifty-three".