566161155 has 24 divisors (see below), whose sum is σ = 1121538912. Its totient is φ = 258816384.

The previous prime is 566161147. The next prime is 566161157. The reversal of 566161155 is 551161665.

It is not a de Polignac number, because 566161155 - 2³ = 566161147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (566161157) 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 23 ways as a sum of consecutive naturals, for example, 898354 + ... + 898983.

It is an arithmetic number, because the mean of its divisors is an integer number (46730788).

Almost surely, 2^566161155 is an apocalyptic number.

566161155 is a deficient number, since it is larger than the sum of its proper divisors (555377757).

566161155 is a wasteful number, since it uses less digits than its factorization.

566161155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797355 (or 1797352 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 566161155 is about 23794.1411906377. The cubic root of 566161155 is about 827.2688839571.

The spelling of 566161155 in words is "five hundred sixty-six million, one hundred sixty-one thousand, one hundred fifty-five".