159965070917 has 2 divisors, whose sum is σ = 159965070918. Its totient is φ = 159965070916.

The previous prime is 159965070911. The next prime is 159965070973. The reversal of 159965070917 is 719070569951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159212172196 + 752898721 = 399014^2 + 27439^2 .

It is a cyclic number.

It is not a de Polignac number, because 159965070917 - 2¹⁶ = 159965005381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159965070911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79982535458 + 79982535459.

It is an arithmetic number, because the mean of its divisors is an integer number (79982535459).

Almost surely, 2^159965070917 is an apocalyptic number.

It is an amenable number.

159965070917 is a deficient number, since it is larger than the sum of its proper divisors (1).

159965070917 is an equidigital number, since it uses as much as digits as its factorization.

159965070917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5358150, while the sum is 59.

The spelling of 159965070917 in words is "one hundred fifty-nine billion, nine hundred sixty-five million, seventy thousand, nine hundred seventeen".