162081 has 24 divisors (see below), whose sum is σ = 262080. Its totient is φ = 99792.

The previous prime is 162079. The next prime is 162091. The reversal of 162081 is 180261.

It is not a de Polignac number, because 162081 - 2¹ = 162079 is a prime.

It is a super-2 number, since 2×162081² = 52540501122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (162011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5575 + ... + 5603.

It is an arithmetic number, because the mean of its divisors is an integer number (10920).

2¹⁶²⁰⁸¹ is an apocalyptic number.

It is an amenable number.

162081 is a deficient number, since it is larger than the sum of its proper divisors (99999).

162081 is an equidigital number, since it uses as much as digits as its factorization.

162081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 162081 is about 402.5928464342. The cubic root of 162081 is about 54.5227018741.

The spelling of 162081 in words is "one hundred sixty-two thousand, eighty-one".