Efficiency thinking
( 1 + 2 + 3 + 4 + 5 + 6 + 7 ) ( 1/10 + 10/10 + 10/1 ) ( 360 / (24 × 7) )
= 666
360 is a circular measure. And there are 24 hours a day and 7 days a week.
The figure 10 is (1 + 2 + 3 + 4). We may think of the sum of the four seasons. Or the number is the ultimate amount. The figure 10 is the number of perfection, wherever it appears.
1/10 is sowing (faith), 10/10 is blooming (love), and 10/1 is harvesting (hope). Or we may think of the tree, where 1/10 is the root, 10/10 is the stem, and 10/1 is the foliage.
1/10 x 10/10 x 10/1 = 1