164850271 has 2 divisors, whose sum is σ = 164850272. Its totient is φ = 164850270.

The previous prime is 164850263. The next prime is 164850359. The reversal of 164850271 is 172058461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164850271 - 2³ = 164850263 is a prime.

It is a super-3 number, since 3×164850271³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164850221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82425135 + 82425136.

It is an arithmetic number, because the mean of its divisors is an integer number (82425136).

Almost surely, 2^164850271 is an apocalyptic number.

164850271 is a deficient number, since it is larger than the sum of its proper divisors (1).

164850271 is an equidigital number, since it uses as much as digits as its factorization.

164850271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 164850271 is about 12839.4030624480. The cubic root of 164850271 is about 548.3146990544.

The spelling of 164850271 in words is "one hundred sixty-four million, eight hundred fifty thousand, two hundred seventy-one".