165844016 has 40 divisors (see below), whose sum is σ = 354498144. Its totient is φ = 74672640.

The previous prime is 165843973. The next prime is 165844031. The reversal of 165844016 is 610448561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196 + ... + 18251.

Almost surely, 2^165844016 is an apocalyptic number.

165844016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165844016 is an abundant number, since it is smaller than the sum of its proper divisors (188654128).

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

165844016 is a wasteful number, since it uses less digits than its factorization.

165844016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19509 (or 19503 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 165844016 is about 12878.0439508491. The cubic root of 165844016 is about 549.4142701044.

The spelling of 165844016 in words is "one hundred sixty-five million, eight hundred forty-four thousand, sixteen".