160865 has 4 divisors (see below), whose sum is σ = 193044. Its totient is φ = 128688.

The previous prime is 160861. The next prime is 160877. The reversal of 160865 is 568061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61009 + 99856 = 247^2 + 316^2 .

It is a cyclic number.

It is not a de Polignac number, because 160865 - 2² = 160861 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (160861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16082 + ... + 16091.

It is an arithmetic number, because the mean of its divisors is an integer number (48261).

2¹⁶⁰⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

160865 is a deficient number, since it is larger than the sum of its proper divisors (32179).

160865 is an equidigital number, since it uses as much as digits as its factorization.

160865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32178.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 160865 is about 401.0797925600. The cubic root of 160865 is about 54.3860086928.

The spelling of 160865 in words is "one hundred sixty thousand, eight hundred sixty-five".