164630171 has 2 divisors, whose sum is σ = 164630172. Its totient is φ = 164630170.

The previous prime is 164630107. The next prime is 164630173. The reversal of 164630171 is 171036461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164630171 - 2⁶ = 164630107 is a prime.

It is a Sophie Germain prime.

Together with 164630173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164630173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82315085 + 82315086.

It is an arithmetic number, because the mean of its divisors is an integer number (82315086).

Almost surely, 2^164630171 is an apocalyptic number.

164630171 is a deficient number, since it is larger than the sum of its proper divisors (1).

164630171 is an equidigital number, since it uses as much as digits as its factorization.

164630171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 164630171 is about 12830.8289287949. The cubic root of 164630171 is about 548.0705627342.

The spelling of 164630171 in words is "one hundred sixty-four million, six hundred thirty thousand, one hundred seventy-one".