וַֽיְחִי־לֶ֗מֶךְ אַֽחֲרֵי֙ הוֹלִיד֣וֹ אֶת־נֹ֔חַ חָמֵ֤שׁ וְתִשְׁעִים֙ שָׁנָ֔ה וַחֲמֵ֥שׁ מֵאֹ֖ת שָׁנָ֑ה וַיּ֥וֹלֶד בָּנִ֖ים וּבָנֽוֹת׃
And Lamech lived after he begot Noah five hundred ninety and five years, and begot sons and daughters.
Read kabbalistic (mystical) interpretation of Genesis 5:30: and classical mystical sources.