चतुष्षष्टिरर्धहारः ॥ कZ_०२.११.०९ ॥
catuṣṣaṣṭir ardhahāraḥ
六十四(个)构成“Ardhahāra”。
They enable routine handling (counting, bundling, issuing) at the storehouse level without repeatedly referencing very large totals.