Kabbalah sa Genesis 49:16: Sha'arei Orah

In contrast, the title Kingship-Malchut-מלכות indicates the manner of dominion and rule by the power of judgment that comes forth from the power of the name Lord-Adona”y-אדנ״י. That is, it is the aspect of the two-hundred and sixteen (רי״ו-216)¹⁷²The two-hundred and sixteen (רי״ו-216) letters that constitute the aforementioned fifty-four (ד״ן-54) names, are equal to fear-Yirah-ירא״ה-216 and might-Gevurah-גבור״ה-216. letters that constitute the fifty-four (ד״נ-54) names of being-Havayah-הוי״ה that are manifest in the name Lord-Adona”y-אדנ״י, as hinted in the verse,¹⁷³Genesis 49:16 “Dan-ד״ן-54 shall judge-Yadin-ידין His people.”