How many Ford Mustangs produced in 1966?

422,416 Hardtops with standard interior, 55,938 hardtops with deluxe interior, 21,397 hardtops with front bench seat, 56,409 convertibles with standard interior, 12,520 convertibles with deluxe interior, 3.190 convertibles with front bench seat, 27,809 fastbacks with standard interior, 7,889 fastbacks with deluxe interior, giving a grand total of 607,568 1966 Mustangs