It's likely not too much for you, no. I know it seems like a lot, but I started out on 51 points (female, shorter than you, weighed less to start), and I still lost weight.
But, you're going to have to try it out for a week or two to see how it feels. If you're getting too full on that number of points, don't worry about getting them all in at the beginning... As long as you're getting in your Good Health Guidelines! (Very important for your nutrition.)
Some days it's hard to get in that number of points. Other days they go by fast!
~Made of star stuff~