6536412866 has 8 divisors (see below), whose sum is σ = 9814113804. Its totient is φ = 3265041600.

The previous prime is 6536412833. The next prime is 6536412893. The reversal of 6536412866 is 6682146356.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5567398225 + 969014641 = 74615^2 + 31129^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 6536412866.

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 3 ways as a sum of consecutive naturals, for example, 1579835 + ... + 1583966.

Almost surely, 2^6536412866 is an apocalyptic number.

6536412866 is a deficient number, since it is larger than the sum of its proper divisors (3277700938).

6536412866 is a wasteful number, since it uses less digits than its factorization.

6536412866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164836.

The product of its digits is 1244160, while the sum is 47.

The square root of 6536412866 is about 80848.0851102857. The cubic root of 6536412866 is about 1869.7339995497.

The spelling of 6536412866 in words is "six billion, five hundred thirty-six million, four hundred twelve thousand, eight hundred sixty-six".