5550566161 has 8 divisors (see below), whose sum is σ = 6344296704. Its totient is φ = 4757033760.

The previous prime is 5550566143. The next prime is 5550566167. The reversal of 5550566161 is 1616650555.

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

It is a cyclic number.

It is not a de Polignac number, because 5550566161 - 2⁵ = 5550566129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5550566167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16341 + ... + 106621.

It is an arithmetic number, because the mean of its divisors is an integer number (793037088).

Almost surely, 2^5550566161 is an apocalyptic number.

It is an amenable number.

5550566161 is a deficient number, since it is larger than the sum of its proper divisors (793730543).

5550566161 is an equidigital number, since it uses as much as digits as its factorization.

5550566161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99071.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 5550566161 is about 74502.1218556895. The cubic root of 5550566161 is about 1770.5672542139.

The spelling of 5550566161 in words is "five billion, five hundred fifty million, five hundred sixty-six thousand, one hundred sixty-one".