162985 has 8 divisors (see below), whose sum is σ = 201096. Its totient is φ = 126720.

The previous prime is 162973. The next prime is 162989. The reversal of 162985 is 589261.

It can be written as a sum of positive squares in 4 ways, for example, as 21609 + 141376 = 147^2 + 376^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 162985 - 2⁹ = 162473 is a prime.

It is a super-2 number, since 2×162985² = 53128220450, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (162989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256 + ... + 625.

It is an arithmetic number, because the mean of its divisors is an integer number (25137).

2¹⁶²⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

162985 is a deficient number, since it is larger than the sum of its proper divisors (38111).

162985 is an equidigital number, since it uses as much as digits as its factorization.

162985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923.

The product of its digits is 4320, while the sum is 31.

The square root of 162985 is about 403.7140076837. The cubic root of 162985 is about 54.6238800309.

The spelling of 162985 in words is "one hundred sixty-two thousand, nine hundred eighty-five".