566020665 has 48 divisors (see below), whose sum is σ = 1132425216. Its totient is φ = 256176000.

The previous prime is 566020603. The next prime is 566020673.

566020665 is nontrivially palindromic in base 10.

566020665 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 566020665 - 2⁶ = 566020601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22920 + ... + 40710.

It is an arithmetic number, because the mean of its divisors is an integer number (23592192).

Almost surely, 2^566020665 is an apocalyptic number.

It is an amenable number.

566020665 is an abundant number, since it is smaller than the sum of its proper divisors (566404551).

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

566020665 is a wasteful number, since it uses less digits than its factorization.

566020665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17910 (or 17907 counting only the distinct ones).

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

The square root of 566020665 is about 23791.1888101457. The cubic root of 566020665 is about 827.2004507798.

The spelling of 566020665 in words is "five hundred sixty-six million, twenty thousand, six hundred sixty-five".