4065540163 has 8 divisors (see below), whose sum is σ = 4126621248. Its totient is φ = 4004604864.

The previous prime is 4065540151. The next prime is 4065540187. The reversal of 4065540163 is 3610455604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4065540163 is a prime.

It is a super-3 number, since 3×4065540163³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4065540133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20406 + ... + 92452.

It is an arithmetic number, because the mean of its divisors is an integer number (515827656).

Almost surely, 2^4065540163 is an apocalyptic number.

4065540163 is a deficient number, since it is larger than the sum of its proper divisors (61081085).

4065540163 is an equidigital number, since it uses as much as digits as its factorization.

4065540163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72893.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 4065540163 is about 63761.5884604516. The cubic root of 4065540163 is about 1596.0240032309.

Adding to 4065540163 its reverse (3610455604), we get a palindrome (7675995767).

The spelling of 4065540163 in words is "four billion, sixty-five million, five hundred forty thousand, one hundred sixty-three".