5566166506134 has 120 divisors (see below), whose sum is σ = 13695771090672. Its totient is φ = 1688543962560.

The previous prime is 5566166506133. The next prime is 5566166506171. The reversal of 5566166506134 is 4316056616655.

5566166506134 is a `hidden beast` number, since 5 + 5 + 6 + 6 + 16 + 6 + 5 + 0 + 613 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566166506133) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 512092 + ... + 3375584.

Almost surely, 2^{5566166506134} is an apocalyptic number.

5566166506134 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5566166506134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6847885545336).

5566166506134 is an abundant number, since it is smaller than the sum of its proper divisors (8129604584538).

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

5566166506134 is a wasteful number, since it uses less digits than its factorization.

5566166506134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863604 (or 2863582 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 5566166506134 in words is "five trillion, five hundred sixty-six billion, one hundred sixty-six million, five hundred six thousand, one hundred thirty-four".