165065212 has 24 divisors (see below), whose sum is σ = 311444000. Its totient is φ = 76095936.

The previous prime is 165065167. The next prime is 165065213. The reversal of 165065212 is 212560561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165065213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71614 + ... + 73882.

Almost surely, 2^165065212 is an apocalyptic number.

It is an amenable number.

165065212 is a deficient number, since it is larger than the sum of its proper divisors (146378788).

165065212 is a wasteful number, since it uses less digits than its factorization.

165065212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685 (or 3683 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 165065212 is about 12847.7707015653. The cubic root of 165065212 is about 548.5529033432.

The spelling of 165065212 in words is "one hundred sixty-five million, sixty-five thousand, two hundred twelve".