160605221 has 8 divisors (see below), whose sum is σ = 184043904. Its totient is φ = 137290320.

The previous prime is 160605209. The next prime is 160605229. The reversal of 160605221 is 122506061.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160605221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160605229) 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 7 ways as a sum of consecutive naturals, for example, 28145 + ... + 33366.

It is an arithmetic number, because the mean of its divisors is an integer number (23005488).

Almost surely, 2^160605221 is an apocalyptic number.

It is an amenable number.

160605221 is a deficient number, since it is larger than the sum of its proper divisors (23438683).

160605221 is an equidigital number, since it uses as much as digits as its factorization.

160605221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61891.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 160605221 is about 12673.0115205503. The cubic root of 160605221 is about 543.5671714394.

The spelling of 160605221 in words is "one hundred sixty million, six hundred five thousand, two hundred twenty-one".