You can get the values from properties like likeCount, viewCount and much more. Try below url in your environment and see what all you get.
For Viewers list and comments you have to make a separate call to get details. More can be found from below link.
Another option is to use the Trending Content service:
If you dont mind curated the content, you can always use the DES Service to query this information and implement your own algorithm like we did in the Deconstructing the Jive Derby Integration Popular Races Tile. =)