165224208 has 20 divisors (see below), whose sum is σ = 426829328. Its totient is φ = 55074720.

The previous prime is 165224201. The next prime is 165224231. The reversal of 165224208 is 802422561.

It is not an unprimeable number, because it can be changed into a prime (165224201) 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 3 ways as a sum of consecutive naturals, for example, 1721038 + ... + 1721133.

Almost surely, 2^165224208 is an apocalyptic number.

It is an amenable number.

165224208 is an abundant number, since it is smaller than the sum of its proper divisors (261605120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165224208 is a wasteful number, since it uses less digits than its factorization.

165224208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442182 (or 3442176 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 165224208 is about 12853.9569005034. The cubic root of 165224208 is about 548.7289746218.

Adding to 165224208 its reverse (802422561), we get a palindrome (967646769).

The spelling of 165224208 in words is "one hundred sixty-five million, two hundred twenty-four thousand, two hundred eight".