168743148317 has 2 divisors, whose sum is σ = 168743148318. Its totient is φ = 168743148316.

The previous prime is 168743148313. The next prime is 168743148373. The reversal of 168743148317 is 713841347861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164279438596 + 4463709721 = 405314^2 + 66811^2 .

It is a cyclic number.

It is not a de Polignac number, because 168743148317 - 2² = 168743148313 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168743148313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84371574158 + 84371574159.

It is an arithmetic number, because the mean of its divisors is an integer number (84371574159).

Almost surely, 2^168743148317 is an apocalyptic number.

It is an amenable number.

168743148317 is a deficient number, since it is larger than the sum of its proper divisors (1).

168743148317 is an equidigital number, since it uses as much as digits as its factorization.

168743148317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 53.

The spelling of 168743148317 in words is "one hundred sixty-eight billion, seven hundred forty-three million, one hundred forty-eight thousand, three hundred seventeen".