Code point
U+1866
Glyph appearance depends on your fonts.
U+1866
LoU+1866 MONGOLIAN LETTER SIBE PA is a Unicode 16.0.0 character in the Other Letter category. It belongs to the Mongolian block.
Choose the representation you need, then copy its value.
U+1866
6246
ᡦ
ᡦ
E1 A1 A6
1866
00001866
%E1%A1%A6
\u1866
\u1866
\u1866
\1866