164263585 has 16 divisors (see below), whose sum is σ = 206035200. Its totient is φ = 125484480.

The previous prime is 164263579. The next prime is 164263597. The reversal of 164263585 is 585362461.

164263585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164263585 - 2³ = 164263577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116716 + ... + 118114.

It is an arithmetic number, because the mean of its divisors is an integer number (12877200).

Almost surely, 2^164263585 is an apocalyptic number.

It is an amenable number.

164263585 is a deficient number, since it is larger than the sum of its proper divisors (41771615).

164263585 is a wasteful number, since it uses less digits than its factorization.

164263585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448.

The product of its digits is 172800, while the sum is 40.

The square root of 164263585 is about 12816.5356083460. The cubic root of 164263585 is about 547.6634597383.

The spelling of 164263585 in words is "one hundred sixty-four million, two hundred sixty-three thousand, five hundred eighty-five".