160338221 has 4 divisors (see below), whose sum is σ = 167309472. Its totient is φ = 153366972.

The previous prime is 160338209. The next prime is 160338247. The reversal of 160338221 is 122833061.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160338221 is a prime.

It is a super-2 number, since 2×160338221² = 51416690226889682, 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 (160338421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3485591 + ... + 3485636.

It is an arithmetic number, because the mean of its divisors is an integer number (41827368).

Almost surely, 2^160338221 is an apocalyptic number.

It is an amenable number.

160338221 is a deficient number, since it is larger than the sum of its proper divisors (6971251).

160338221 is an equidigital number, since it uses as much as digits as its factorization.

160338221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971250.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 160338221 is about 12662.4729417282. The cubic root of 160338221 is about 543.2657845274.

The spelling of 160338221 in words is "one hundred sixty million, three hundred thirty-eight thousand, two hundred twenty-one".