160585221 has 4 divisors (see below), whose sum is σ = 214113632. Its totient is φ = 107056812.

The previous prime is 160585211. The next prime is 160585223. The reversal of 160585221 is 122585061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 160585221 - 2⁵ = 160585189 is a prime.

It is a super-2 number, since 2×160585221² = 51575226407237682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160585223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26764201 + ... + 26764206.

It is an arithmetic number, because the mean of its divisors is an integer number (53528408).

Almost surely, 2^160585221 is an apocalyptic number.

It is an amenable number.

160585221 is a deficient number, since it is larger than the sum of its proper divisors (53528411).

160585221 is an equidigital number, since it uses as much as digits as its factorization.

160585221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53528410.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 160585221 is about 12672.2224175557. Note that the first 3 decimals coincide. The cubic root of 160585221 is about 543.5446072192.

The spelling of 160585221 in words is "one hundred sixty million, five hundred eighty-five thousand, two hundred twenty-one".