164584855 has 4 divisors (see below), whose sum is σ = 197501832. Its totient is φ = 131667880.

The previous prime is 164584829. The next prime is 164584883. The reversal of 164584855 is 558485461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 558485461 = 277 ⋅2016193.

It is not a de Polignac number, because 164584855 - 2⁷ = 164584727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16458481 + ... + 16458490.

It is an arithmetic number, because the mean of its divisors is an integer number (49375458).

Almost surely, 2^164584855 is an apocalyptic number.

164584855 is a deficient number, since it is larger than the sum of its proper divisors (32916977).

164584855 is an equidigital number, since it uses as much as digits as its factorization.

164584855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32916976.

The product of its digits is 768000, while the sum is 46.

The square root of 164584855 is about 12829.0629042031. The cubic root of 164584855 is about 548.0202709304.

The spelling of 164584855 in words is "one hundred sixty-four million, five hundred eighty-four thousand, eight hundred fifty-five".