5666650443 has 18 divisors (see below), whose sum is σ = 8694968204. Its totient is φ = 3555543744.

The previous prime is 5666650433. The next prime is 5666650481. The reversal of 5666650443 is 3440566665.

It is not a de Polignac number, because 5666650443 - 2⁵ = 5666650411 is a prime.

It is a super-2 number, since 2×5666650443² = 64221854486304192498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5666650433) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1086721 + ... + 1091922.

Almost surely, 2^5666650443 is an apocalyptic number.

5666650443 is a deficient number, since it is larger than the sum of its proper divisors (3028317761).

5666650443 is a wasteful number, since it uses less digits than its factorization.

5666650443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178683 (or 2178663 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The square root of 5666650443 is about 75277.1575114257. The cubic root of 5666650443 is about 1782.8253790002.

The spelling of 5666650443 in words is "five billion, six hundred sixty-six million, six hundred fifty thousand, four hundred forty-three".