162889 has 2 divisors, whose sum is σ = 162890. Its totient is φ = 162888.

The previous prime is 162881. The next prime is 162901. The reversal of 162889 is 988261.

162889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126025 + 36864 = 355^2 + 192^2 .

It is a cyclic number.

It is not a de Polignac number, because 162889 - 2³ = 162881 is a prime.

It is not a weakly prime, because it can be changed into another prime (162881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81444 + 81445.

It is an arithmetic number, because the mean of its divisors is an integer number (81445).

2¹⁶²⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

162889 is a deficient number, since it is larger than the sum of its proper divisors (1).

162889 is an equidigital number, since it uses as much as digits as its factorization.

162889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 34.

The square root of 162889 is about 403.5950941228. The cubic root of 162889 is about 54.6131532311.

The spelling of 162889 in words is "one hundred sixty-two thousand, eight hundred eighty-nine".