566206650 has 144 divisors (see below), whose sum is σ = 1636502400. Its totient is φ = 139898880.

The previous prime is 566206639. The next prime is 566206681. The reversal of 566206650 is 56602665.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 401146 + ... + 402554.

It is an arithmetic number, because the mean of its divisors is an integer number (11364600).

Almost surely, 2^566206650 is an apocalyptic number.

566206650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 566206650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818251200).

566206650 is an abundant number, since it is smaller than the sum of its proper divisors (1070295750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

566206650 is a wasteful number, since it uses less digits than its factorization.

566206650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 566206650 is about 23795.0971840840. The cubic root of 566206650 is about 827.2910423064.

The spelling of 566206650 in words is "five hundred sixty-six million, two hundred six thousand, six hundred fifty".