160380221 has 4 divisors (see below), whose sum is σ = 160976700. Its totient is φ = 159783744.

The previous prime is 160380203. The next prime is 160380229. The reversal of 160380221 is 122083061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97732996 + 62647225 = 9886^2 + 7915^2 .

It is a cyclic number.

It is not a de Polignac number, because 160380221 - 2²⁶ = 93271357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160380229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297836 + ... + 298373.

It is an arithmetic number, because the mean of its divisors is an integer number (40244175).

Almost surely, 2^160380221 is an apocalyptic number.

It is an amenable number.

160380221 is a deficient number, since it is larger than the sum of its proper divisors (596479).

160380221 is an equidigital number, since it uses as much as digits as its factorization.

160380221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596478.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 160380221 is about 12664.1312769570. The cubic root of 160380221 is about 543.3132158693.

The spelling of 160380221 in words is "one hundred sixty million, three hundred eighty thousand, two hundred twenty-one".