566361321540 has 96 divisors (see below), whose sum is σ = 1834191959040. Its totient is φ = 127894321536.

The previous prime is 566361321523. The next prime is 566361321613. The reversal of 566361321540 is 45123163665.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 566361321492 and 566361321501.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 8088510 + ... + 8158229.

It is an arithmetic number, because the mean of its divisors is an integer number (19106166240).

Almost surely, 2^566361321540 is an apocalyptic number.

It is an amenable number.

566361321540 is an abundant number, since it is smaller than the sum of its proper divisors (1267830637500).

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

566361321540 is a wasteful number, since it uses less digits than its factorization.

566361321540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16246841 (or 16246839 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 566361321540 in words is "five hundred sixty-six billion, three hundred sixty-one million, three hundred twenty-one thousand, five hundred forty".