168046983157 has 2 divisors, whose sum is σ = 168046983158. Its totient is φ = 168046983156.

The previous prime is 168046983089. The next prime is 168046983193. The reversal of 168046983157 is 751389640861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110135041956 + 57911941201 = 331866^2 + 240649^2 .

It is an emirp because it is prime and its reverse (751389640861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168046983157 - 2¹⁵ = 168046950389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168046983457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84023491578 + 84023491579.

It is an arithmetic number, because the mean of its divisors is an integer number (84023491579).

Almost surely, 2^168046983157 is an apocalyptic number.

It is an amenable number.

168046983157 is a deficient number, since it is larger than the sum of its proper divisors (1).

168046983157 is an equidigital number, since it uses as much as digits as its factorization.

168046983157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 168046983157 in words is "one hundred sixty-eight billion, forty-six million, nine hundred eighty-three thousand, one hundred fifty-seven".