the corridor crew has a video on this and they mention the hydraulic press experiment @9:40 and added some cool visuals
https://www.youtube.com/watch?v=68oXafUzirE
spoiler
~375'000 bricks ~ 3.6km
And in the end, they show a pyramid around that height (4x higher than Burj Khalifa, just smaller than the mount Fuji) and how much it would cost, which is completely unrealistic at that point, as it'd use up all the oil in the world.