6566564107396 has 24 divisors (see below), whose sum is σ = 11502077569920. Its totient is φ = 3280257148032.

The previous prime is 6566564107381. The next prime is 6566564107517. The reversal of 6566564107396 is 6937014656656.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29377585 + ... + 29600263.

It is an arithmetic number, because the mean of its divisors is an integer number (479253232080).

Almost surely, 2^{6566564107396} is an apocalyptic number.

It is an amenable number.

6566564107396 is a deficient number, since it is larger than the sum of its proper divisors (4935513462524).

6566564107396 is a wasteful number, since it uses less digits than its factorization.

6566564107396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229443 (or 229441 counting only the distinct ones).

The product of its (nonzero) digits is 146966400, while the sum is 64.

The spelling of 6566564107396 in words is "six trillion, five hundred sixty-six billion, five hundred sixty-four million, one hundred seven thousand, three hundred ninety-six".