166850168347 has 2 divisors, whose sum is σ = 166850168348. Its totient is φ = 166850168346.

The previous prime is 166850168327. The next prime is 166850168351. The reversal of 166850168347 is 743861058661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166850168347 is a prime.

It is not a weakly prime, because it can be changed into another prime (166850168327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83425084173 + 83425084174.

It is an arithmetic number, because the mean of its divisors is an integer number (83425084174).

Almost surely, 2^166850168347 is an apocalyptic number.

166850168347 is a deficient number, since it is larger than the sum of its proper divisors (1).

166850168347 is an equidigital number, since it uses as much as digits as its factorization.

166850168347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 166850168347 in words is "one hundred sixty-six billion, eight hundred fifty million, one hundred sixty-eight thousand, three hundred forty-seven".