566611073 has 4 divisors (see below), whose sum is σ = 647555520. Its totient is φ = 485666628.

The previous prime is 566611061. The next prime is 566611079. The reversal of 566611073 is 370116665.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 370116665 = 5 ⋅74023333.

It is a cyclic number.

It is not a de Polignac number, because 566611073 - 2¹⁰ = 566610049 is a prime.

It is a super-2 number, since 2×566611073² = 642096216092422658, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (566611079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40472213 + ... + 40472226.

It is an arithmetic number, because the mean of its divisors is an integer number (161888880).

Almost surely, 2^566611073 is an apocalyptic number.

It is an amenable number.

566611073 is a deficient number, since it is larger than the sum of its proper divisors (80944447).

566611073 is an equidigital number, since it uses as much as digits as its factorization.

566611073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80944446.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 566611073 is about 23803.5936992715. The cubic root of 566611073 is about 827.4879644596.

The spelling of 566611073 in words is "five hundred sixty-six million, six hundred eleven thousand, seventy-three".