66 (number)
66 is the natural number following 65 and preceding 67.
In mathematics
66 is a sphenic number, a semiperfect number, and a Erdős–Woods number. It is also the 11th triangular number and the 6th hexagonal number.In computing
66 megahertz is a common divisor for the front side bus speed, overall central processing unit speed, and base bus speed. On a Core 2 CPU, and a Core 2 motherboard, the FSB is 1066 MHz, the memory speed is usually 666.67 MHz, and the processor speed ranges from 1.86 gigahertz to 2.93 GHz, in 266 MHz increments.In motor vehicle transportation
- The designation of the historic U.S. Route 66, dubbed the "Mother Road" by novelist John Steinbeck, and other roads.