566663650 has 48 divisors (see below), whose sum is σ = 1256955264. Its totient is φ = 185834880.

The previous prime is 566663611. The next prime is 566663677. The reversal of 566663650 is 56366665.

It is a happy number.

It is a super-2 number, since 2×566663650² = 642215384462645000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 566663597 and 566663606.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27147 + ... + 43246.

It is an arithmetic number, because the mean of its divisors is an integer number (26186568).

Almost surely, 2^566663650 is an apocalyptic number.

566663650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

566663650 is an abundant number, since it is smaller than the sum of its proper divisors (690291614).

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

566663650 is a wasteful number, since it uses less digits than its factorization.

566663650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70435 (or 70430 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 43.

The square root of 566663650 is about 23804.6980657180. The cubic root of 566663650 is about 827.5135584347.

The spelling of 566663650 in words is "five hundred sixty-six million, six hundred sixty-three thousand, six hundred fifty".