165645060 has 48 divisors (see below), whose sum is σ = 530065536. Its totient is φ = 37861632.

The previous prime is 165645047. The next prime is 165645091. The reversal of 165645060 is 60546561.

165645060 is digitally balanced in base 2, 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, 196777 + ... + 197616.

It is an arithmetic number, because the mean of its divisors is an integer number (11043032).

Almost surely, 2^165645060 is an apocalyptic number.

165645060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165645060 is an abundant number, since it is smaller than the sum of its proper divisors (364420476).

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

165645060 is a wasteful number, since it uses less digits than its factorization.

165645060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394412 (or 394410 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 165645060 is about 12870.3170124127. The cubic root of 165645060 is about 549.1944792259.

The spelling of 165645060 in words is "one hundred sixty-five million, six hundred forty-five thousand, sixty".