164504263 has 8 divisors (see below), whose sum is σ = 205096320. Its totient is φ = 128185080.

The previous prime is 164504239. The next prime is 164504267. The reversal of 164504263 is 362405461.

164504263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164504263 - 2²⁵ = 130949831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164504267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068133 + ... + 1068286.

It is an arithmetic number, because the mean of its divisors is an integer number (25637040).

Almost surely, 2^164504263 is an apocalyptic number.

164504263 is a deficient number, since it is larger than the sum of its proper divisors (40592057).

164504263 is a wasteful number, since it uses less digits than its factorization.

164504263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136437.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 164504263 is about 12825.9215263466. The cubic root of 164504263 is about 547.9308069261.

The spelling of 164504263 in words is "one hundred sixty-four million, five hundred four thousand, two hundred sixty-three".