The Gurung Khema block spans U+16100–U+1613F, 64 codepoints in Plane 1 (Supplementary Multilingual Plane). 58 are assigned in Unicode 16.0; the other 6 are reserved for future characters.
All of its characters belong to the Gurung Khema script.
By general category: 30 other letters (Lo), 15 non-spacing marks (Mn), 10 decimal digits (Nd), 3 spacing marks (Mc).
The first 58 arrived in Unicode 16.0 (2024).
Because it lies outside the BMP, every character here takes four bytes in UTF-8 and a surrogate pair in UTF-16.