Vishnu Purana — Amsha 4 — Chapter 8
ViP 4 8.8
षष्टिवर्षसहस्राणि षष्टिवर्षशतानि च अलर्काद् अपरो नान्यो बुभुजे मेदिनीं युवा ॥
ṣaṣṭivarṣasahasrāṇi ṣaṣṭivarṣaśatāni ca alarkād aparo nānyo bubhuje medinīṃ yuvā //
For sixty thousand years and sixty hundred years no other but Alarka enjoyed the earth as a young man.
AI translation rendered from the Sanskrit, not a published edition