If the box office of "Nezha: The Devil Boy Comes to the World" is 5 billion, director Dumpling can get about **1.65 billion**.

The specific distribution plan is as follows: First, theater chains and theaters account for 57% of the revenue, and the remaining 43% is divided between the production and distributors. Generally, the producers account for 33% and the distributors account for 10%.

As the producer, the director has 33% of the dividend, so he can get 1.65 billion.

Please note that the above data is for reference only, and specific box office revenue and distribution plans may vary due to various factors (such as copyright, distribution channels, etc.).