164274317 has 2 divisors, whose sum is σ = 164274318. Its totient is φ = 164274316.

The previous prime is 164274289. The next prime is 164274337. The reversal of 164274317 is 713472461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160250281 + 4024036 = 12659^2 + 2006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164274317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164274337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82137158 + 82137159.

It is an arithmetic number, because the mean of its divisors is an integer number (82137159).

Almost surely, 2^164274317 is an apocalyptic number.

It is an amenable number.

164274317 is a deficient number, since it is larger than the sum of its proper divisors (1).

164274317 is an equidigital number, since it uses as much as digits as its factorization.

164274317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 35.

The square root of 164274317 is about 12816.9542793910. The cubic root of 164274317 is about 547.6753864967.

The spelling of 164274317 in words is "one hundred sixty-four million, two hundred seventy-four thousand, three hundred seventeen".