5655626265566 has 16 divisors (see below), whose sum is σ = 8509261937280. Its totient is φ = 2819206007640.

The previous prime is 5655626265563. The next prime is 5655626265571. The reversal of 5655626265566 is 6655626265565.

It is a super-2 number, since 2×5655626265566² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5655626265563) 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, 44992295 + ... + 45117821.

It is an arithmetic number, because the mean of its divisors is an integer number (531828871080).

Almost surely, 2^{5655626265566} is an apocalyptic number.

5655626265566 is a deficient number, since it is larger than the sum of its proper divisors (2853635671714).

5655626265566 is a wasteful number, since it uses less digits than its factorization.

5655626265566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193919.

The product of its digits is 583200000, while the sum is 65.

Subtracting 5655626265566 from its reverse (6655626265565), we obtain a palindrome (999999999999).

The spelling of 5655626265566 in words is "five trillion, six hundred fifty-five billion, six hundred twenty-six million, two hundred sixty-five thousand, five hundred sixty-six".