1 Kings 10:14 in the King James Version
Now the weight of gold that came to Solomon in one year was six hundred threescore and six talents of gold,
Context
13 King Solomon gave to the queen of Sheba all her desire, whatever she asked, in addition to that which Solomon gave her of his royal bounty. So she turned and went to her own land, she and her servants.
14 Now the weight of gold that came to Solomon in one year was six hundred sixty-six talents of gold,
15 in addition to that which the traders brought, and the traffic of the merchants, and of all the kings of the mixed people, and of the governors of the country.