5566634366655 has 32 divisors (see below), whose sum is σ = 9214597656000. Its totient is φ = 2866229839872.

The previous prime is 5566634366599. The next prime is 5566634366659.

5566634366655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5566634366655 - 2⁶ = 5566634366591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566634366659) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4123671 + ... + 5304519.

It is an arithmetic number, because the mean of its divisors is an integer number (287956176750).

Almost surely, 2^{5566634366655} is an apocalyptic number.

5566634366655 is a deficient number, since it is larger than the sum of its proper divisors (3647963289345).

5566634366655 is a wasteful number, since it uses less digits than its factorization.

5566634366655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191723.

The product of its digits is 1049760000, while the sum is 66.

The spelling of 5566634366655 in words is "five trillion, five hundred sixty-six billion, six hundred thirty-four million, three hundred sixty-six thousand, six hundred fifty-five".