165445260 has 48 divisors (see below), whose sum is σ = 464044896. Its totient is φ = 44042752.

The previous prime is 165445243. The next prime is 165445283. The reversal of 165445260 is 62544561.

165445260 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 38584 + ... + 42656.

It is an arithmetic number, because the mean of its divisors is an integer number (9667602).

Almost surely, 2^165445260 is an apocalyptic number.

165445260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165445260 is an abundant number, since it is smaller than the sum of its proper divisors (298599636).

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

165445260 is a wasteful number, since it uses less digits than its factorization.

165445260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762 (or 4760 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 165445260 is about 12862.5526237991. The cubic root of 165445260 is about 548.9735787763.

The spelling of 165445260 in words is "one hundred sixty-five million, four hundred forty-five thousand, two hundred sixty".