5561166672229 has 16 divisors (see below), whose sum is σ = 6443519192320. Its totient is φ = 4700806151040.

The previous prime is 5561166672163. The next prime is 5561166672239. The reversal of 5561166672229 is 9222766611655.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5561166672229 - 2²¹ = 5561164575077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561166672239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3252712 + ... + 4658590.

It is an arithmetic number, because the mean of its divisors is an integer number (402719949520).

Almost surely, 2^{5561166672229} is an apocalyptic number.

It is an amenable number.

5561166672229 is a deficient number, since it is larger than the sum of its proper divisors (882352520091).

5561166672229 is a wasteful number, since it uses less digits than its factorization.

5561166672229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413700.

The product of its digits is 16329600, while the sum is 58.

The spelling of 5561166672229 in words is "five trillion, five hundred sixty-one billion, one hundred sixty-six million, six hundred seventy-two thousand, two hundred twenty-nine".