168158160647 has 2 divisors, whose sum is σ = 168158160648. Its totient is φ = 168158160646.

The previous prime is 168158160637. The next prime is 168158160683. The reversal of 168158160647 is 746061851861.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (746061851861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168158160647 - 2¹⁰ = 168158159623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168158160617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84079080323 + 84079080324.

It is an arithmetic number, because the mean of its divisors is an integer number (84079080324).

Almost surely, 2^168158160647 is an apocalyptic number.

168158160647 is a deficient number, since it is larger than the sum of its proper divisors (1).

168158160647 is an equidigital number, since it uses as much as digits as its factorization.

168158160647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 168158160647 in words is "one hundred sixty-eight billion, one hundred fifty-eight million, one hundred sixty thousand, six hundred forty-seven".