566165505 has 16 divisors (see below), whose sum is σ = 906212160. Its totient is φ = 301839168.

The previous prime is 566165503. The next prime is 566165519. The reversal of 566165505 is 505561665.

It is not a de Polignac number, because 566165505 - 2¹ = 566165503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (566165503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45666 + ... + 56724.

It is an arithmetic number, because the mean of its divisors is an integer number (56638260).

It is a Proth number, since it is equal to 8639 ⋅ 2¹⁶ + 1 and 8639 < 2¹⁶.

Almost surely, 2^566165505 is an apocalyptic number.

It is an amenable number.

566165505 is a deficient number, since it is larger than the sum of its proper divisors (340046655).

566165505 is a wasteful number, since it uses less digits than its factorization.

566165505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14480.

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 566165505 is about 23794.2325995187. The cubic root of 566165505 is about 827.2710026769.

The spelling of 566165505 in words is "five hundred sixty-six million, one hundred sixty-five thousand, five hundred five".