160532221 has 2 divisors, whose sum is σ = 160532222. Its totient is φ = 160532220.

The previous prime is 160532143. The next prime is 160532227. The reversal of 160532221 is 122235061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147355321 + 13176900 = 12139^2 + 3630^2 .

It is a cyclic number.

It is not a de Polignac number, because 160532221 - 2¹⁹ = 160007933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 160532192 and 160532201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160532227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80266110 + 80266111.

It is an arithmetic number, because the mean of its divisors is an integer number (80266111).

Almost surely, 2^160532221 is an apocalyptic number.

It is an amenable number.

160532221 is a deficient number, since it is larger than the sum of its proper divisors (1).

160532221 is an equidigital number, since it uses as much as digits as its factorization.

160532221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 160532221 is about 12670.1310569386. The cubic root of 160532221 is about 543.4848029735.

Adding to 160532221 its reverse (122235061), we get a palindrome (282767282).

The spelling of 160532221 in words is "one hundred sixty million, five hundred thirty-two thousand, two hundred twenty-one".