וַֽיְהִי֙ מִשְׁקַ֣ל הַזָּהָ֔ב אֲשֶׁר־בָּ֥א לִשְׁלֹמֹ֖ה בְּשָׁנָ֣ה אֶחָ֑ת שֵׁ֥שׁ מֵא֛וֹת שִׁשִּׁ֥ים וָשֵׁ֖שׁ כִּכַּ֥ר זָהָֽב׃
Now the weight of gold that came to Solomon in one year was six hundred threescore and six talents of gold,
Read kabbalistic (mystical) interpretation of I Kings 10:14: and classical mystical sources.