168714397 has 2 divisors, whose sum is σ = 168714398. Its totient is φ = 168714396.

The previous prime is 168714353. The next prime is 168714401. The reversal of 168714397 is 793417861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158911236 + 9803161 = 12606^2 + 3131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168714397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168711397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84357198 + 84357199.

It is an arithmetic number, because the mean of its divisors is an integer number (84357199).

Almost surely, 2^168714397 is an apocalyptic number.

It is an amenable number.

168714397 is a deficient number, since it is larger than the sum of its proper divisors (1).

168714397 is an equidigital number, since it uses as much as digits as its factorization.

168714397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 46.

The square root of 168714397 is about 12989.0106243701. The cubic root of 168714397 is about 552.5658590779.

The spelling of 168714397 in words is "one hundred sixty-eight million, seven hundred fourteen thousand, three hundred ninety-seven".