164203263 has 36 divisors (see below), whose sum is σ = 290442360. Its totient is φ = 88887456.

The previous prime is 164203231. The next prime is 164203267. The reversal of 164203263 is 362302461.

It is not a de Polignac number, because 164203263 - 2⁵ = 164203231 is a prime.

It is a super-3 number, since 3×164203263³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164203267) 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 in 35 ways as a sum of consecutive naturals, for example, 1420 + ... + 18177.

Almost surely, 2^164203263 is an apocalyptic number.

164203263 is a deficient number, since it is larger than the sum of its proper divisors (126239097).

164203263 is a wasteful number, since it uses less digits than its factorization.

164203263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19636 (or 19626 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 164203263 is about 12814.1821042156. The cubic root of 164203263 is about 547.5964126202.

It can be divided in two parts, 16420 and 3263, that added together give a 9-th power (19683 = 3⁹).

The spelling of 164203263 in words is "one hundred sixty-four million, two hundred three thousand, two hundred sixty-three".