566654004 has 72 divisors (see below), whose sum is σ = 1644913088. Its totient is φ = 161118720.

The previous prime is 566653973. The next prime is 566654009. The reversal of 566654004 is 400456665.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 566654004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566654009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47844 + ... + 58500.

Almost surely, 2^566654004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566654004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (822456544).

566654004 is an abundant number, since it is smaller than the sum of its proper divisors (1078259084).

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

566654004 is a wasteful number, since it uses less digits than its factorization.

566654004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10885 (or 10880 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 566654004 is about 23804.4954577912. The cubic root of 566654004 is about 827.5088629737.

The spelling of 566654004 in words is "five hundred sixty-six million, six hundred fifty-four thousand, four".