165101568 has 60 divisors (see below), whose sum is σ = 440388480. Its totient is φ = 55017472.

The previous prime is 165101561. The next prime is 165101597. The reversal of 165101568 is 865101561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165101561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47473 + ... + 50831.

It is an arithmetic number, because the mean of its divisors is an integer number (7339808).

Almost surely, 2^165101568 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 165101568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220194240).

165101568 is an abundant number, since it is smaller than the sum of its proper divisors (275286912).

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

165101568 is an frugal number, since it uses more digits than its factorization.

165101568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390 (or 3364 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 165101568 is about 12849.1854994782. The cubic root of 165101568 is about 548.5931737412.

The spelling of 165101568 in words is "one hundred sixty-five million, one hundred one thousand, five hundred sixty-eight".