The number 666 is often referred to as the "number of the beast" in the Christian tradition, specifically in the Book of Revelation in the Bible. It is associated with the Devil or Satan and is commonly interpreted as a symbol of evil or opposition to God. This number has sparked various interpretations and discussions about its significance in religious texts. In popular culture, 666 has become a symbol of fear and superstition, often linked to horror films and literature. Many people associate it with the Antichrist, a figure believed to appear before the end of the world. Despite its ominous connotations, interpretations of 666 can vary widely among different cultures and belief systems.