160 (number)
# 160 (number)

160 (one hundred [and] sixty) is the natural number following 159 and preceding 161.

## In mathematics

160 is the sum of the first 11 primes, as well as the sum of the cubes of the first three primes.

Given 160, the Mertens function returns 0. 160 is the smallest number n with exactly 12 solutions to the equation φ(x) = n.

## In telecommunications

* The number of characters permitted in a standard short message service
* The number for Dial-a-Disc (1966–1991), a telephone number operated by the General Post Office in the United Kingdom, which enabled callers to hear the latest chart hits
