6605040869 has 8 divisors (see below), whose sum is σ = 7550144448. Its totient is φ = 5660318880.

The previous prime is 6605040797. The next prime is 6605040877. The reversal of 6605040869 is 9680405066.

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 6605040869 - 2¹² = 6605036773 is a prime.

It is a super-2 number, since 2×6605040869² = 87253129762320550322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605040269) 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, 57287 + ... + 128420.

It is an arithmetic number, because the mean of its divisors is an integer number (943768056).

Almost surely, 2^6605040869 is an apocalyptic number.

It is an amenable number.

6605040869 is a deficient number, since it is larger than the sum of its proper divisors (945103579).

6605040869 is a wasteful number, since it uses less digits than its factorization.

6605040869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190795.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 6605040869 is about 81271.4025288108. The cubic root of 6605040869 is about 1876.2548867894.

The spelling of 6605040869 in words is "six billion, six hundred five million, forty thousand, eight hundred sixty-nine".