Unlike similar varieties of this "Bunny Ears" cactus, this one is safe to touch - the spines don't jump into your fingers. Hence the name "Angel's Wings".
Mammillaria haageana (elegans) and Opuntia microdasys var. rufida (cinnamon bunny ears).
Angels Wing (opuntia microdasys): Opuntia microdasys (angel's-wings, bunny ears cactus, bunny cactus or polka-dot cactus) is a species of cactus native and endemic to central and northern Mexico. https://en.wikipedia.org/wiki/Opuntia%20microdasys