165482320 has 20 divisors (see below), whose sum is σ = 384746580. Its totient is φ = 66192896.

The previous prime is 165482299. The next prime is 165482321. The reversal of 165482320 is 23284561.

165482320 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 2 ways, for example, as 19749136 + 145733184 = 4444^2 + 12072^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165482321) 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, 1034185 + ... + 1034344.

It is an arithmetic number, because the mean of its divisors is an integer number (19237329).

Almost surely, 2^165482320 is an apocalyptic number.

165482320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165482320 is an abundant number, since it is smaller than the sum of its proper divisors (219264260).

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

165482320 is a wasteful number, since it uses less digits than its factorization.

165482320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068542 (or 2068536 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 165482320 is about 12863.9931592022. The cubic root of 165482320 is about 549.0145660328.

The spelling of 165482320 in words is "one hundred sixty-five million, four hundred eighty-two thousand, three hundred twenty".