5566166505747 has 6 divisors (see below), whose sum is σ = 8040018286092. Its totient is φ = 3710777670492.

The previous prime is 5566166505743. The next prime is 5566166505751. The reversal of 5566166505747 is 7475056616655.

5566166505747 is a `hidden beast` number, since 5 + 5 + 6 + 6 + 1 + 6 + 6 + 50 + 574 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (5566166505743) and next prime (5566166505751).

It is not a de Polignac number, because 5566166505747 - 2² = 5566166505743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5566166505743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 309231472533 + ... + 309231472550.

It is an arithmetic number, because the mean of its divisors is an integer number (1340003047682).

Almost surely, 2^{5566166505747} is an apocalyptic number.

5566166505747 is a deficient number, since it is larger than the sum of its proper divisors (2473851780345).

5566166505747 is a wasteful number, since it uses less digits than its factorization.

5566166505747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618462945089 (or 618462945086 counting only the distinct ones).

The product of its (nonzero) digits is 158760000, while the sum is 63.

The spelling of 5566166505747 in words is "five trillion, five hundred sixty-six billion, one hundred sixty-six million, five hundred five thousand, seven hundred forty-seven".