160504553321 has 12 divisors (see below), whose sum is σ = 197692283988. Its totient is φ = 129482664192.

The previous prime is 160504553299. The next prime is 160504553329. The reversal of 160504553321 is 123355405061.

It can be written as a sum of positive squares in 2 ways, for example, as 108365397721 + 52139155600 = 329189^2 + 228340^2 .

It is not a de Polignac number, because 160504553321 - 2¹⁰ = 160504552297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160504553329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96340436 + ... + 96342101.

It is an arithmetic number, because the mean of its divisors is an integer number (16474356999).

Almost surely, 2^160504553321 is an apocalyptic number.

It is an amenable number.

160504553321 is a deficient number, since it is larger than the sum of its proper divisors (37187730667).

160504553321 is a wasteful number, since it uses less digits than its factorization.

160504553321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192682568 (or 192682561 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 160504553321 its reverse (123355405061), we get a palindrome (283859958382).

The spelling of 160504553321 in words is "one hundred sixty billion, five hundred four million, five hundred fifty-three thousand, three hundred twenty-one".