165000033 has 24 divisors (see below), whose sum is σ = 265539456. Its totient is φ = 97869600.

The previous prime is 165000023. The next prime is 165000041. The reversal of 165000033 is 330000561.

It is not a de Polignac number, because 165000033 - 2⁸ = 164999777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165000013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13078 + ... + 22383.

It is an arithmetic number, because the mean of its divisors is an integer number (11064144).

Almost surely, 2^165000033 is an apocalyptic number.

It is an amenable number.

165000033 is a deficient number, since it is larger than the sum of its proper divisors (100539423).

165000033 is a wasteful number, since it uses less digits than its factorization.

165000033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35525 (or 35522 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 165000033 is about 12845.2338631883. The cubic root of 165000033 is about 548.4806918086.

Adding to 165000033 its reverse (330000561), we get a palindrome (495000594).

The spelling of 165000033 in words is "one hundred sixty-five million, thirty-three", and thus it is an aban number.