165303212 has 12 divisors (see below), whose sum is σ = 289385040. Its totient is φ = 82621776.

The previous prime is 165303181. The next prime is 165303217. The reversal of 165303212 is 212303561.

It is not an unprimeable number, because it can be changed into a prime (165303217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9089 + ... + 20327.

It is an arithmetic number, because the mean of its divisors is an integer number (24115420).

Almost surely, 2^165303212 is an apocalyptic number.

It is an amenable number.

165303212 is a deficient number, since it is larger than the sum of its proper divisors (124081828).

165303212 is a wasteful number, since it uses less digits than its factorization.

165303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14920 (or 14918 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 165303212 is about 12857.0296725177. The cubic root of 165303212 is about 548.8164212023.

Adding to 165303212 its reverse (212303561), we get a palindrome (377606773).

The spelling of 165303212 in words is "one hundred sixty-five million, three hundred three thousand, two hundred twelve".