4065541165 has 8 divisors (see below), whose sum is σ = 5575599360. Its totient is φ = 2787799632.

The previous prime is 4065541133. The next prime is 4065541199. The reversal of 4065541165 is 5611455604.

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 4065541165 - 2⁵ = 4065541133 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 58079125 + ... + 58079194.

It is an arithmetic number, because the mean of its divisors is an integer number (696949920).

Almost surely, 2^4065541165 is an apocalyptic number.

It is an amenable number.

4065541165 is a deficient number, since it is larger than the sum of its proper divisors (1510058195).

4065541165 is a wasteful number, since it uses less digits than its factorization.

4065541165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116158331.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 4065541165 is about 63761.5963178464. The cubic root of 4065541165 is about 1596.0241343505.

Adding to 4065541165 its reverse (5611455604), we get a palindrome (9676996769).

The spelling of 4065541165 in words is "four billion, sixty-five million, five hundred forty-one thousand, one hundred sixty-five".