165441560 has 64 divisors (see below), whose sum is σ = 383745600. Its totient is φ = 64153600.

The previous prime is 165441547. The next prime is 165441583. The reversal of 165441560 is 65144561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460661 + ... + 461019.

It is an arithmetic number, because the mean of its divisors is an integer number (5996025).

Almost surely, 2^165441560 is an apocalyptic number.

165441560 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 165441560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191872800).

165441560 is an abundant number, since it is smaller than the sum of its proper divisors (218304040).

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

165441560 is a wasteful number, since it uses less digits than its factorization.

165441560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 165441560 is about 12862.4087946232. The cubic root of 165441560 is about 548.9694863504.

The spelling of 165441560 in words is "one hundred sixty-five million, four hundred forty-one thousand, five hundred sixty".