161163 has 16 divisors (see below), whose sum is σ = 245760. Its totient is φ = 104328.

The previous prime is 161159. The next prime is 161167. The reversal of 161163 is 361161.

It is an interprime number because it is at equal distance from previous prime (161159) and next prime (161167).

It is not a de Polignac number, because 161163 - 2² = 161159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206 + ... + 1332.

It is an arithmetic number, because the mean of its divisors is an integer number (15360).

2¹⁶¹¹⁶³ is an apocalyptic number.

161163 is a deficient number, since it is larger than the sum of its proper divisors (84597).

161163 is a wasteful number, since it uses less digits than its factorization.

161163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 177 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 161163 is about 401.4511178213. The cubic root of 161163 is about 54.4195710652.

It can be divided in two parts, 161 and 163, that added together give a square (324 = 18²).

The spelling of 161163 in words is "one hundred sixty-one thousand, one hundred sixty-three".