165568480 has 192 divisors, whose sum is σ = 496419840. Its totient is φ = 50688000.

The previous prime is 165568471. The next prime is 165568519. The reversal of 165568480 is 84865561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1096405 + ... + 1096555.

It is an arithmetic number, because the mean of its divisors is an integer number (2585520).

Almost surely, 2^165568480 is an apocalyptic number.

165568480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165568480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248209920).

165568480 is an abundant number, since it is smaller than the sum of its proper divisors (330851360).

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

165568480 is a wasteful number, since it uses less digits than its factorization.

165568480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 165568480 is about 12867.3416057863. The cubic root of 165568480 is about 549.1098327815.

The spelling of 165568480 in words is "one hundred sixty-five million, five hundred sixty-eight thousand, four hundred eighty".