165024113 has 8 divisors (see below), whose sum is σ = 166516200. Its totient is φ = 163537920.

The previous prime is 165024109. The next prime is 165024131. The reversal of 165024113 is 311420561.

It can be written as a sum of positive squares in 4 ways, for example, as 27384289 + 137639824 = 5233^2 + 11732^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165024113 - 2² = 165024109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165024163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69323 + ... + 71663.

It is an arithmetic number, because the mean of its divisors is an integer number (20814525).

Almost surely, 2^165024113 is an apocalyptic number.

It is an amenable number.

165024113 is a deficient number, since it is larger than the sum of its proper divisors (1492087).

165024113 is a wasteful number, since it uses less digits than its factorization.

165024113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 165024113 is about 12846.1711416282. The cubic root of 165024113 is about 548.5073721520.

Adding to 165024113 its reverse (311420561), we get a palindrome (476444674).

The spelling of 165024113 in words is "one hundred sixty-five million, twenty-four thousand, one hundred thirteen".