165322260 has 72 divisors (see below), whose sum is σ = 504471240. Its totient is φ = 43822848.

The previous prime is 165322259. The next prime is 165322303. The reversal of 165322260 is 62223561.

165322260 is a `hidden beast` number, since 1 + 653 + 2 + 2 + 2 + 6 + 0 = 666.

165322260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6411024 + 158911236 = 2532^2 + 12606^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28486 + ... + 33794.

It is an arithmetic number, because the mean of its divisors is an integer number (7006545).

Almost surely, 2^165322260 is an apocalyptic number.

165322260 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 165322260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252235620).

165322260 is an abundant number, since it is smaller than the sum of its proper divisors (339148980).

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

165322260 is a wasteful number, since it uses less digits than its factorization.

165322260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497 (or 5492 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 165322260 is about 12857.7704132559. The cubic root of 165322260 is about 548.8375005541.

The spelling of 165322260 in words is "one hundred sixty-five million, three hundred twenty-two thousand, two hundred sixty".