The Bamum Supplement block spans U+16800–U+16A3F, 576 codepoints in Plane 1 (Supplementary Multilingual Plane). 569 are assigned in Unicode 16.0; the other 7 are reserved for future characters.
All of its characters belong to the Bamum script.
By general category: 569 other letters (Lo).
The first 569 arrived in Unicode 6.0 (2010).
Because it lies outside the BMP, every character here takes four bytes in UTF-8 and a surrogate pair in UTF-16.