5566156161 has 8 divisors (see below), whose sum is σ = 7622123904. Its totient is φ = 3610479600.

The previous prime is 5566156159. The next prime is 5566156181. The reversal of 5566156161 is 1616516655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5566156161 - 2¹ = 5566156159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5566156181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25072665 + ... + 25072886.

It is an arithmetic number, because the mean of its divisors is an integer number (952765488).

Almost surely, 2^5566156161 is an apocalyptic number.

It is an amenable number.

5566156161 is a deficient number, since it is larger than the sum of its proper divisors (2055967743).

5566156161 is a wasteful number, since it uses less digits than its factorization.

5566156161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50145591.

The product of its digits is 162000, while the sum is 42.

The square root of 5566156161 is about 74606.6763835516. The cubic root of 5566156161 is about 1772.2233820006.

The spelling of 5566156161 in words is "five billion, five hundred sixty-six million, one hundred fifty-six thousand, one hundred sixty-one".