165923016 has 96 divisors (see below), whose sum is σ = 485640000. Its totient is φ = 47101824.

The previous prime is 165922963. The next prime is 165923027. The reversal of 165923016 is 610329561.

It is a happy 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 23 ways as a sum of consecutive naturals, for example, 233670 + ... + 234378.

It is an arithmetic number, because the mean of its divisors is an integer number (5058750).

Almost surely, 2^165923016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165923016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242820000).

165923016 is an abundant number, since it is smaller than the sum of its proper divisors (319716984).

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

165923016 is a wasteful number, since it uses less digits than its factorization.

165923016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 165923016 is about 12881.1108216644. The cubic root of 165923016 is about 549.5014943094.

The spelling of 165923016 in words is "one hundred sixty-five million, nine hundred twenty-three thousand, sixteen".