165041115 has 8 divisors (see below), whose sum is σ = 264065808. Its totient is φ = 88021920.

The previous prime is 165041089. The next prime is 165041119. The reversal of 165041115 is 511140561.

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

It is not a de Polignac number, because 165041115 - 2¹¹ = 165039067 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (165041119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5501356 + ... + 5501385.

It is an arithmetic number, because the mean of its divisors is an integer number (33008226).

Almost surely, 2^165041115 is an apocalyptic number.

165041115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165041115 is a deficient number, since it is larger than the sum of its proper divisors (99024693).

165041115 is a wasteful number, since it uses less digits than its factorization.

165041115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11002749.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 165041115 is about 12846.8328781844. The cubic root of 165041115 is about 548.5262085954.

Adding to 165041115 its reverse (511140561), we get a palindrome (676181676).

The spelling of 165041115 in words is "one hundred sixty-five million, forty-one thousand, one hundred fifteen".