165000570 has 32 divisors (see below), whose sum is σ = 452573568. Its totient is φ = 37714368.

The previous prime is 165000553. The next prime is 165000593. The reversal of 165000570 is 75000561.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 165000570.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392649 + ... + 393068.

It is an arithmetic number, because the mean of its divisors is an integer number (14142924).

Almost surely, 2^165000570 is an apocalyptic number.

165000570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165000570 is an abundant number, since it is smaller than the sum of its proper divisors (287572998).

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

165000570 is a wasteful number, since it uses less digits than its factorization.

165000570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785734.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 165000570 is about 12845.2547658659. The cubic root of 165000570 is about 548.4812868263.

Subtracting from 165000570 its reverse (75000561), we obtain a palindrome (90000009).

The spelling of 165000570 in words is "one hundred sixty-five million, five hundred seventy", and thus it is an aban number.