164165285 has 16 divisors (see below), whose sum is σ = 201289536. Its totient is φ = 128502528.

The previous prime is 164165279. The next prime is 164165297. The reversal of 164165285 is 582561461.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 164165285 - 2⁴ = 164165269 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 15 ways as a sum of consecutive naturals, for example, 42557 + ... + 46253.

It is an arithmetic number, because the mean of its divisors is an integer number (12580596).

Almost surely, 2^164165285 is an apocalyptic number.

It is an amenable number.

164165285 is a deficient number, since it is larger than the sum of its proper divisors (37124251).

164165285 is a wasteful number, since it uses less digits than its factorization.

164165285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892.

The product of its digits is 57600, while the sum is 38.

The square root of 164165285 is about 12812.7001447782. The cubic root of 164165285 is about 547.5541921435.

The spelling of 164165285 in words is "one hundred sixty-four million, one hundred sixty-five thousand, two hundred eighty-five".