Declension table of ?ṣaḍviṃśatirātra

Neuter	Singular	Dual	Plural
Nominative	ṣaḍviṃśatirātram	ṣaḍviṃśatirātre	ṣaḍviṃśatirātrāṇi
Vocative	ṣaḍviṃśatirātra	ṣaḍviṃśatirātre	ṣaḍviṃśatirātrāṇi
Accusative	ṣaḍviṃśatirātram	ṣaḍviṃśatirātre	ṣaḍviṃśatirātrāṇi
Instrumental	ṣaḍviṃśatirātreṇa	ṣaḍviṃśatirātrābhyām	ṣaḍviṃśatirātraiḥ
Dative	ṣaḍviṃśatirātrāya	ṣaḍviṃśatirātrābhyām	ṣaḍviṃśatirātrebhyaḥ
Ablative	ṣaḍviṃśatirātrāt	ṣaḍviṃśatirātrābhyām	ṣaḍviṃśatirātrebhyaḥ
Genitive	ṣaḍviṃśatirātrasya	ṣaḍviṃśatirātrayoḥ	ṣaḍviṃśatirātrāṇām
Locative	ṣaḍviṃśatirātre	ṣaḍviṃśatirātrayoḥ	ṣaḍviṃśatirātreṣu

Compound ṣaḍviṃśatirātra -

Adverb -ṣaḍviṃśatirātram -ṣaḍviṃśatirātrāt