6665069043 has 80 divisors (see below), whose sum is σ = 10519740000. Its totient is φ = 4199827968.

The previous prime is 6665069023. The next prime is 6665069057. The reversal of 6665069043 is 3409605666.

It is not a de Polignac number, because 6665069043 - 2⁶ = 6665068979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6665069043.

It is not an unprimeable number, because it can be changed into a prime (6665069023) 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 79 ways as a sum of consecutive naturals, for example, 44731933 + ... + 44732081.

It is an arithmetic number, because the mean of its divisors is an integer number (131496750).

Almost surely, 2^6665069043 is an apocalyptic number.

6665069043 is a deficient number, since it is larger than the sum of its proper divisors (3854670957).

6665069043 is a wasteful number, since it uses less digits than its factorization.

6665069043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The square root of 6665069043 is about 81639.8740996089. The cubic root of 6665069043 is about 1881.9217036079.

The spelling of 6665069043 in words is "six billion, six hundred sixty-five million, sixty-nine thousand, forty-three".