160798730221 has 2 divisors, whose sum is σ = 160798730222. Its totient is φ = 160798730220.

The previous prime is 160798730123. The next prime is 160798730233. The reversal of 160798730221 is 122037897061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144495015625 + 16303714596 = 380125^2 + 127686^2 .

It is a cyclic number.

It is not a de Polignac number, because 160798730221 - 2⁹ = 160798729709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160798730021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80399365110 + 80399365111.

It is an arithmetic number, because the mean of its divisors is an integer number (80399365111).

Almost surely, 2^160798730221 is an apocalyptic number.

It is an amenable number.

160798730221 is a deficient number, since it is larger than the sum of its proper divisors (1).

160798730221 is an equidigital number, since it uses as much as digits as its factorization.

160798730221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 160798730221 in words is "one hundred sixty billion, seven hundred ninety-eight million, seven hundred thirty thousand, two hundred twenty-one".