160532821 has 2 divisors, whose sum is σ = 160532822. Its totient is φ = 160532820.

The previous prime is 160532797. The next prime is 160532837. The reversal of 160532821 is 128235061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115455025 + 45077796 = 10745^2 + 6714^2 .

It is a cyclic number.

It is not a de Polignac number, because 160532821 - 2⁵ = 160532789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 160532821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160532891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80266410 + 80266411.

It is an arithmetic number, because the mean of its divisors is an integer number (80266411).

Almost surely, 2^160532821 is an apocalyptic number.

It is an amenable number.

160532821 is a deficient number, since it is larger than the sum of its proper divisors (1).

160532821 is an equidigital number, since it uses as much as digits as its factorization.

160532821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 160532821 is about 12670.1547346510. The cubic root of 160532821 is about 543.4854800763.

Adding to 160532821 its reverse (128235061), we get a palindrome (288767882).

The spelling of 160532821 in words is "one hundred sixty million, five hundred thirty-two thousand, eight hundred twenty-one".