164475317 has 2 divisors, whose sum is σ = 164475318. Its totient is φ = 164475316.

The previous prime is 164475239. The next prime is 164475319. The reversal of 164475317 is 713574461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135466321 + 29008996 = 11639^2 + 5386^2 .

It is a cyclic number.

It is not a de Polignac number, because 164475317 - 2⁸ = 164475061 is a prime.

Together with 164475319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164475319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82237658 + 82237659.

It is an arithmetic number, because the mean of its divisors is an integer number (82237659).

Almost surely, 2^164475317 is an apocalyptic number.

It is an amenable number.

164475317 is a deficient number, since it is larger than the sum of its proper divisors (1).

164475317 is an equidigital number, since it uses as much as digits as its factorization.

164475317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 38.

The square root of 164475317 is about 12824.7930587593. The cubic root of 164475317 is about 547.8986672615.

The spelling of 164475317 in words is "one hundred sixty-four million, four hundred seventy-five thousand, three hundred seventeen".