5566166506051 has 2 divisors, whose sum is σ = 5566166506052. Its totient is φ = 5566166506050.

The previous prime is 5566166505983. The next prime is 5566166506133. The reversal of 5566166506051 is 1506056616655.

5566166506051 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5566166506051 - 2⁷ = 5566166505923 is a prime.

It is a super-2 number, since 2×5566166506051² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5566166506051.

It is not a weakly prime, because it can be changed into another prime (5566166506951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2783083253025 + 2783083253026.

It is an arithmetic number, because the mean of its divisors is an integer number (2783083253026).

Almost surely, 2^{5566166506051} is an apocalyptic number.

5566166506051 is a deficient number, since it is larger than the sum of its proper divisors (1).

5566166506051 is an equidigital number, since it uses as much as digits as its factorization.

5566166506051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860000, while the sum is 52.

The spelling of 5566166506051 in words is "five trillion, five hundred sixty-six billion, one hundred sixty-six million, five hundred six thousand, fifty-one".