The number "1163" is an integer that follows 1162 and precedes 1164. It is an even number and can be divided by 2 without leaving a remainder. In mathematics, it can be expressed in various forms, such as a sum of prime numbers or as a product of its factors. In historical contexts, the year 1163 is notable for several events, including the construction of the Notre-Dame Cathedral in Paris, which began in that year. This period was significant in the development of Gothic architecture, influencing many structures in Europe.