566616023 has 4 divisors (see below), whose sum is σ = 580435968. Its totient is φ = 552796080.

The previous prime is 566615981. The next prime is 566616041. The reversal of 566616023 is 320616665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 566616023 - 2¹⁴ = 566599639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566616223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6909911 + ... + 6909992.

It is an arithmetic number, because the mean of its divisors is an integer number (145108992).

Almost surely, 2^566616023 is an apocalyptic number.

566616023 is a deficient number, since it is larger than the sum of its proper divisors (13819945).

566616023 is a wasteful number, since it uses less digits than its factorization.

566616023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13819944.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 566616023 is about 23803.6976749412. The cubic root of 566616023 is about 827.4903741392.

The spelling of 566616023 in words is "five hundred sixty-six million, six hundred sixteen thousand, twenty-three".