165063140 has 24 divisors (see below), whose sum is σ = 378145152. Its totient is φ = 60022880.

The previous prime is 165063139. The next prime is 165063161. The reversal of 165063140 is 41360561.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374924 + ... + 375363.

It is an arithmetic number, because the mean of its divisors is an integer number (15756048).

Almost surely, 2^165063140 is an apocalyptic number.

165063140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165063140 is an abundant number, since it is smaller than the sum of its proper divisors (213082012).

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

165063140 is a wasteful number, since it uses less digits than its factorization.

165063140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750307 (or 750305 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 165063140 is about 12847.6900647548. The cubic root of 165063140 is about 548.5506080758.

The spelling of 165063140 in words is "one hundred sixty-five million, sixty-three thousand, one hundred forty".