6665544455596 has 24 divisors (see below), whose sum is σ = 12590602676960. Its totient is φ = 3069397366272.

The previous prime is 6665544455567. The next prime is 6665544455639. The reversal of 6665544455596 is 6955544455666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145972101 + ... + 146017756.

Almost surely, 2^{6665544455596} is an apocalyptic number.

It is an amenable number.

6665544455596 is a deficient number, since it is larger than the sum of its proper divisors (5925058221364).

6665544455596 is a wasteful number, since it uses less digits than its factorization.

6665544455596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291990313 (or 291990311 counting only the distinct ones).

The product of its digits is 2332800000, while the sum is 70.

Adding to 6665544455596 its sum of digits (70), we get a palindrome (6665544455666).

The spelling of 6665544455596 in words is "six trillion, six hundred sixty-five billion, five hundred forty-four million, four hundred fifty-five thousand, five hundred ninety-six".