164430263 has 2 divisors, whose sum is σ = 164430264. Its totient is φ = 164430262.

The previous prime is 164430223. The next prime is 164430281. The reversal of 164430263 is 362034461.

164430263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164430263 - 2¹⁸ = 164168119 is a prime.

It is a super-3 number, since 3×164430263³ (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 (164430223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82215131 + 82215132.

It is an arithmetic number, because the mean of its divisors is an integer number (82215132).

Almost surely, 2^164430263 is an apocalyptic number.

164430263 is a deficient number, since it is larger than the sum of its proper divisors (1).

164430263 is an equidigital number, since it uses as much as digits as its factorization.

164430263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 164430263 is about 12823.0364188830. The cubic root of 164430263 is about 547.8486348690.

The spelling of 164430263 in words is "one hundred sixty-four million, four hundred thirty thousand, two hundred sixty-three".