Scale Results

I want to ask whether or not my scale results are good. I’m 6’ tall and weigh 250 lbs. The scale I use is one of the fancy ones that measure BMI and stuff. I’m aware they’re not totally accurate, and that’s kinda why I’m asking in the first place. I know I’m overweight and am working on it (I’m down 30 pounds this summer), but the app also tells me I have 170 pounds of muscle mass. My friends said they’re not surprised and that I’m fairly muscular. I don’t know if it’s body dysmorphia or something, but I 170 pounds seems like a TON. Is this amount of muscle mass uncommon for someone as tall and as big as me?