165333065 has 16 divisors (see below), whose sum is σ = 203649600. Its totient is φ = 128786112.

The previous prime is 165333037. The next prime is 165333067. The reversal of 165333065 is 560333561.

It is a cyclic number.

It is not a de Polignac number, because 165333065 - 2²⁰ = 164284489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (165333067) by changing a digit.

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, 80471 + ... + 82499.

It is an arithmetic number, because the mean of its divisors is an integer number (12728100).

Almost surely, 2^165333065 is an apocalyptic number.

It is an amenable number.

165333065 is a deficient number, since it is larger than the sum of its proper divisors (38316535).

165333065 is a wasteful number, since it uses less digits than its factorization.

165333065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 165333065 is about 12858.1905803266. The cubic root of 165333065 is about 548.8494571210.

The spelling of 165333065 in words is "one hundred sixty-five million, three hundred thirty-three thousand, sixty-five".