566321606 has 4 divisors (see below), whose sum is σ = 849482412. Its totient is φ = 283160802.

The previous prime is 566321603. The next prime is 566321611. The reversal of 566321606 is 606123665.

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

It is a super-2 number, since 2×566321606² = 641440322844838472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566321603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141580400 + ... + 141580403.

It is an arithmetic number, because the mean of its divisors is an integer number (212370603).

Almost surely, 2^566321606 is an apocalyptic number.

566321606 is a deficient number, since it is larger than the sum of its proper divisors (283160806).

566321606 is a wasteful number, since it uses less digits than its factorization.

566321606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283160805.

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

The square root of 566321606 is about 23797.5126011102. The cubic root of 566321606 is about 827.3470263619.

The spelling of 566321606 in words is "five hundred sixty-six million, three hundred twenty-one thousand, six hundred six".