165922448 has 40 divisors (see below), whose sum is σ = 341665632. Its totient is φ = 77787648.

The previous prime is 165922441. The next prime is 165922451. The reversal of 165922448 is 844229561.

It is not an unprimeable number, because it can be changed into a prime (165922441) 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 7 ways as a sum of consecutive naturals, for example, 82511 + ... + 84497.

Almost surely, 2^165922448 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 165922448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170832816).

165922448 is an abundant number, since it is smaller than the sum of its proper divisors (175743184).

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

165922448 is a wasteful number, since it uses less digits than its factorization.

165922448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319 (or 2313 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 165922448 is about 12881.0887738576. The cubic root of 165922448 is about 549.5008672773.

The spelling of 165922448 in words is "one hundred sixty-five million, nine hundred twenty-two thousand, four hundred forty-eight".