168335147 has 2 divisors, whose sum is σ = 168335148. Its totient is φ = 168335146.

The previous prime is 168335129. The next prime is 168335149. The reversal of 168335147 is 741533861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168335147 - 2¹⁴ = 168318763 is a prime.

Together with 168335149, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168335147.

It is not a weakly prime, because it can be changed into another prime (168335149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84167573 + 84167574.

It is an arithmetic number, because the mean of its divisors is an integer number (84167574).

Almost surely, 2^168335147 is an apocalyptic number.

168335147 is a deficient number, since it is larger than the sum of its proper divisors (1).

168335147 is an equidigital number, since it uses as much as digits as its factorization.

168335147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 168335147 is about 12974.4035315694. The cubic root of 168335147 is about 552.1515142351.

The spelling of 168335147 in words is "one hundred sixty-eight million, three hundred thirty-five thousand, one hundred forty-seven".