566740209672 has 960 divisors, whose sum is σ = 2113461504000. Its totient is φ = 140241217536.

The previous prime is 566740209671. The next prime is 566740209677. The reversal of 566740209672 is 276902047665.

566740209672 is a `hidden beast` number, since 566 + 7 + 4 + 0 + 2 + 0 + 9 + 6 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (566740209671) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 996028204 + ... + 996028772.

It is an arithmetic number, because the mean of its divisors is an integer number (2201522400).

Almost surely, 2^566740209672 is an apocalyptic number.

566740209672 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566740209672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1056730752000).

566740209672 is an abundant number, since it is smaller than the sum of its proper divisors (1546721294328).

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

566740209672 is a wasteful number, since it uses less digits than its factorization.

566740209672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 566740209672 in words is "five hundred sixty-six billion, seven hundred forty million, two hundred nine thousand, six hundred seventy-two".