165228008 has 32 divisors (see below), whose sum is σ = 339089760. Its totient is φ = 74854080.

The previous prime is 165228001. The next prime is 165228013. The reversal of 165228008 is 800822561.

It is not an unprimeable number, because it can be changed into a prime (165228001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24935 + ... + 30857.

It is an arithmetic number, because the mean of its divisors is an integer number (10596555).

Almost surely, 2^165228008 is an apocalyptic number.

It is an amenable number.

165228008 is an abundant number, since it is smaller than the sum of its proper divisors (173861752).

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

165228008 is a wasteful number, since it uses less digits than its factorization.

165228008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6257 (or 6253 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 165228008 is about 12854.1047140592. The cubic root of 165228008 is about 548.7331813381.

The spelling of 165228008 in words is "one hundred sixty-five million, two hundred twenty-eight thousand, eight".