165328992 has 48 divisors (see below), whose sum is σ = 482212080. Its totient is φ = 55109376.

The previous prime is 165328949. The next prime is 165329009. The reversal of 165328992 is 299823561.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 94813 + ... + 96540.

It is an arithmetic number, because the mean of its divisors is an integer number (10046085).

Almost surely, 2^165328992 is an apocalyptic number.

165328992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165328992 is an abundant number, since it is smaller than the sum of its proper divisors (316883088).

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

165328992 is a wasteful number, since it uses less digits than its factorization.

165328992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191372 (or 191358 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 165328992 is about 12858.0321978132. The cubic root of 165328992 is about 548.8449500931.

The spelling of 165328992 in words is "one hundred sixty-five million, three hundred twenty-eight thousand, nine hundred ninety-two".