165068885 has 16 divisors (see below), whose sum is σ = 200835072. Its totient is φ = 130233600.

The previous prime is 165068879. The next prime is 165068909. The reversal of 165068885 is 588860561.

It is not a de Polignac number, because 165068885 - 2¹² = 165064789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120605 + ... + 121965.

It is an arithmetic number, because the mean of its divisors is an integer number (12552192).

Almost surely, 2^165068885 is an apocalyptic number.

It is an amenable number.

165068885 is a deficient number, since it is larger than the sum of its proper divisors (35766187).

165068885 is a wasteful number, since it uses less digits than its factorization.

165068885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 460800, while the sum is 47.

The square root of 165068885 is about 12847.9136438567. The cubic root of 165068885 is about 548.5569720783.

The spelling of 165068885 in words is "one hundred sixty-five million, sixty-eight thousand, eight hundred eighty-five".