5565616166164 has 12 divisors (see below), whose sum is σ = 9739914856084. Its totient is φ = 2782783350144.

The previous prime is 5565616166161. The next prime is 5565616166197. The reversal of 5565616166164 is 4616616165655.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 274429299600 + 5291186866564 = 523860^2 + 2300258^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5565616166099 and 5565616166108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5565616166161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5672229 + ... + 6580684.

Almost surely, 2^{5565616166164} is an apocalyptic number.

It is an amenable number.

5565616166164 is a deficient number, since it is larger than the sum of its proper divisors (4174298689920).

5565616166164 is a wasteful number, since it uses less digits than its factorization.

5565616166164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12366474 (or 12366472 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 58.

The spelling of 5565616166164 in words is "five trillion, five hundred sixty-five billion, six hundred sixteen million, one hundred sixty-six thousand, one hundred sixty-four".