Code point
U+178B
Glyph appearance depends on your fonts.
U+178B
LoU+178B KHMER LETTER TTHA is a Unicode 16.0.0 character in the Other Letter category. It belongs to the Khmer block.
Choose the representation you need, then copy its value.
U+178B
6027
ឋ
ឋ
E1 9E 8B
178B
0000178B
%E1%9E%8B
\u178B
\u178B
\u178B
\178B