160806320641 has 2 divisors, whose sum is σ = 160806320642. Its totient is φ = 160806320640.

The previous prime is 160806320639. The next prime is 160806320683. The reversal of 160806320641 is 146023608061.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127974330225 + 32831990416 = 357735^2 + 181196^2 .

It is a cyclic number.

It is not a de Polignac number, because 160806320641 - 2¹ = 160806320639 is a prime.

It is a super-2 number, since 2×160806320641² (a number of 23 digits) contains 22 as substring.

Together with 160806320639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 160806320641.

It is not a weakly prime, because it can be changed into another prime (160806327641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80403160320 + 80403160321.

It is an arithmetic number, because the mean of its divisors is an integer number (80403160321).

Almost surely, 2^160806320641 is an apocalyptic number.

It is an amenable number.

160806320641 is a deficient number, since it is larger than the sum of its proper divisors (1).

160806320641 is an equidigital number, since it uses as much as digits as its factorization.

160806320641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 160806320641 in words is "one hundred sixty billion, eight hundred six million, three hundred twenty thousand, six hundred forty-one".