165306160 has 40 divisors (see below), whose sum is σ = 384997680. Its totient is φ = 66008832.

The previous prime is 165306151. The next prime is 165306161. The reversal of 165306160 is 61603561.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×165306160² = 54652253067891200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165306161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57231 + ... + 60049.

It is an arithmetic number, because the mean of its divisors is an integer number (9624942).

Almost surely, 2^165306160 is an apocalyptic number.

165306160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165306160 is an abundant number, since it is smaller than the sum of its proper divisors (219691520).

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

165306160 is a wasteful number, since it uses less digits than its factorization.

165306160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565 (or 3559 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 165306160 is about 12857.1443174602. The cubic root of 165306160 is about 548.8196836942.

The spelling of 165306160 in words is "one hundred sixty-five million, three hundred six thousand, one hundred sixty".