5655502221066 has 24 divisors (see below), whose sum is σ = 12295409277060. Its totient is φ = 1878733386816.

The previous prime is 5655502221007. The next prime is 5655502221067. The reversal of 5655502221066 is 6601222055565.

5655502221066 is a `hidden beast` number, since 5 + 6 + 5 + 550 + 2 + 22 + 10 + 66 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5262963633225 + 392538587841 = 2294115^2 + 626529^2 .

It is not an unprimeable number, because it can be changed into a prime (5655502221067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 536162931 + ... + 536173478.

Almost surely, 2^{5655502221066} is an apocalyptic number.

5655502221066 is an abundant number, since it is smaller than the sum of its proper divisors (6639907055994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5655502221066 is a wasteful number, since it uses less digits than its factorization.

5655502221066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072336710 (or 1072336707 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 5655502221066 in words is "five trillion, six hundred fifty-five billion, five hundred two million, two hundred twenty-one thousand, sixty-six".