6665435163 has 80 divisors (see below), whose sum is σ = 10773452800. Its totient is φ = 4094064000.

The previous prime is 6665435159. The next prime is 6665435207. The reversal of 6665435163 is 3615345666.

It is not a de Polignac number, because 6665435163 - 2² = 6665435159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6665435113) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8875038 + ... + 8875788.

It is an arithmetic number, because the mean of its divisors is an integer number (134668160).

Almost surely, 2^6665435163 is an apocalyptic number.

6665435163 is a deficient number, since it is larger than the sum of its proper divisors (4108017637).

6665435163 is a wasteful number, since it uses less digits than its factorization.

6665435163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 925 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The square root of 6665435163 is about 81642.1163554694. The cubic root of 6665435163 is about 1881.9561616934.

The spelling of 6665435163 in words is "six billion, six hundred sixty-five million, four hundred thirty-five thousand, one hundred sixty-three".