You asked
Is the leica q typ 116 good in low light?
Here is what the site says about that.
From Leica Q (Typ 116): Leica Q (Typ 116): A fixed-lens compact by Leica with a 24-megapixel full frame sensor, announced in 2015. The original full-frame Q with a stabilised 28mm f/1.7 lens. Specs - Maker: Leica - Lens: built in, 28mm f/1.7 - Sensor: Full frame, 36 x 24mm, crop factor 1.0 - Resolution: 24 megapixels - Stabilisation: in the built-in lens or the body - Announced: 2015 - Type: fixed-lens compact Focal lengths on it Its 28mm ...
From Sensor sizes: Is full frame worth it?: For low light, events, and portraits with very shallow depth of field, yes. For travel, street, wildlife on a budget, and most hobby photography, a good APS-C camera with good lenses is enough, and you'll carry it more. Lenses and light matter more than the last stop of sensor performance.
Quoted from this site's pages.