159579316697 has 2 divisors, whose sum is σ = 159579316698. Its totient is φ = 159579316696.

The previous prime is 159579316651. The next prime is 159579316763. The reversal of 159579316697 is 796613975951.

159579316697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143917044496 + 15662272201 = 379364^2 + 125149^2 .

It is an emirp because it is prime and its reverse (796613975951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159579316697 - 2¹⁴ = 159579300313 is a prime.

It is not a weakly prime, because it can be changed into another prime (159579316297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79789658348 + 79789658349.

It is an arithmetic number, because the mean of its divisors is an integer number (79789658349).

Almost surely, 2^159579316697 is an apocalyptic number.

It is an amenable number.

159579316697 is a deficient number, since it is larger than the sum of its proper divisors (1).

159579316697 is an equidigital number, since it uses as much as digits as its factorization.

159579316697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96446700, while the sum is 68.

The spelling of 159579316697 in words is "one hundred fifty-nine billion, five hundred seventy-nine million, three hundred sixteen thousand, six hundred ninety-seven".