165184056 has 64 divisors (see below), whose sum is σ = 465350400. Its totient is φ = 54280800.

The previous prime is 165184013. The next prime is 165184073. The reversal of 165184056 is 650481561.

It is a super-2 number, since 2×165184056² = 54571544713222272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 165184056.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 9951 + ... + 20721.

It is an arithmetic number, because the mean of its divisors is an integer number (7271100).

Almost surely, 2^165184056 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 165184056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232675200).

165184056 is an abundant number, since it is smaller than the sum of its proper divisors (300166344).

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

165184056 is a wasteful number, since it uses less digits than its factorization.

165184056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10857 (or 10847 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 165184056 is about 12852.3949519146. The cubic root of 165184056 is about 548.6845211868.

The spelling of 165184056 in words is "one hundred sixty-five million, one hundred eighty-four thousand, fifty-six".