165375824 has 20 divisors (see below), whose sum is σ = 330752640. Its totient is φ = 80020320.

The previous prime is 165375817. The next prime is 165375857. The reversal of 165375824 is 428573561.

165375824 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166214 + ... + 167205.

It is an arithmetic number, because the mean of its divisors is an integer number (16537632).

Almost surely, 2^165375824 is an apocalyptic number.

It is an amenable number.

165375824 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

165375824 is a wasteful number, since it uses less digits than its factorization.

165375824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333458 (or 333452 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 165375824 is about 12859.8531873424. The cubic root of 165375824 is about 548.8967681476.

It can be divided in two parts, 1653 and 75824, that added together give a palindrome (77477).

The spelling of 165375824 in words is "one hundred sixty-five million, three hundred seventy-five thousand, eight hundred twenty-four".