6599566659956 has 24 divisors (see below), whose sum is σ = 11578591360896. Its totient is φ = 3291406138080.

The previous prime is 6599566659923. The next prime is 6599566660111.

6599566659956 is nontrivially palindromic in base 10.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2077505 + ... + 4185111.

It is an arithmetic number, because the mean of its divisors is an integer number (482441306704).

Almost surely, 2^{6599566659956} is an apocalyptic number.

It is an amenable number.

6599566659956 is a deficient number, since it is larger than the sum of its proper divisors (4979024700940).

6599566659956 is a wasteful number, since it uses less digits than its factorization.

6599566659956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109599 (or 2109597 counting only the distinct ones).

The product of its digits is 31886460000, while the sum is 86.

The spelling of 6599566659956 in words is "six trillion, five hundred ninety-nine billion, five hundred sixty-six million, six hundred fifty-nine thousand, nine hundred fifty-six".