5566886886655 has 8 divisors (see below), whose sum is σ = 6806306986272. Its totient is φ = 4369481027808.

The previous prime is 5566886886611. The next prime is 5566886886661.

It is a happy number.

5566886886655 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 5566886886655 - 2¹¹ = 5566886884607 is a prime.

It is a super-2 number, since 2×5566886886655² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 10503559899 + ... + 10503560428.

It is an arithmetic number, because the mean of its divisors is an integer number (850788373284).

Almost surely, 2^{5566886886655} is an apocalyptic number.

5566886886655 is a deficient number, since it is larger than the sum of its proper divisors (1239420099617).

5566886886655 is a wasteful number, since it uses less digits than its factorization.

5566886886655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21007120385.

The product of its digits is 19906560000, while the sum is 82.

The spelling of 5566886886655 in words is "five trillion, five hundred sixty-six billion, eight hundred eighty-six million, eight hundred eighty-six thousand, six hundred fifty-five".