5564445366641 has 8 divisors (see below), whose sum is σ = 6363637042560. Its totient is φ = 4766321418048.

The previous prime is 5564445366629. The next prime is 5564445366691. The reversal of 5564445366641 is 1466635444655.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5564445366641 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5564445366691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266920661 + ... + 266941506.

It is an arithmetic number, because the mean of its divisors is an integer number (795454630320).

Almost surely, 2^{5564445366641} is an apocalyptic number.

It is an amenable number.

5564445366641 is a deficient number, since it is larger than the sum of its proper divisors (799191675919).

5564445366641 is a wasteful number, since it uses less digits than its factorization.

5564445366641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533863663.

The product of its digits is 124416000, while the sum is 59.

The spelling of 5564445366641 in words is "five trillion, five hundred sixty-four billion, four hundred forty-five million, three hundred sixty-six thousand, six hundred forty-one".