158158160717 has 2 divisors, whose sum is σ = 158158160718. Its totient is φ = 158158160716.

The previous prime is 158158160711. The next prime is 158158160777. The reversal of 158158160717 is 717061851851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148667309476 + 9490851241 = 385574^2 + 97421^2 .

It is an emirp because it is prime and its reverse (717061851851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158158160717 - 2¹² = 158158156621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158158160711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79079080358 + 79079080359.

It is an arithmetic number, because the mean of its divisors is an integer number (79079080359).

Almost surely, 2^158158160717 is an apocalyptic number.

It is an amenable number.

158158160717 is a deficient number, since it is larger than the sum of its proper divisors (1).

158158160717 is an equidigital number, since it uses as much as digits as its factorization.

158158160717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 50.

The spelling of 158158160717 in words is "one hundred fifty-eight billion, one hundred fifty-eight million, one hundred sixty thousand, seven hundred seventeen".