566421664546562 has 32 divisors (see below), whose sum is σ = 927227004537600. Its totient is φ = 257365746706320.

The previous prime is 566421664546537. The next prime is 566421664546579. The reversal of 566421664546562 is 265645466124665.

It is a super-2 number, since 2×566421664546562² (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 566421664546492 and 566421664546501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652725653 + ... + 653592855.

It is an arithmetic number, because the mean of its divisors is an integer number (28975843891800).

Almost surely, 2^{566421664546562} is an apocalyptic number.

566421664546562 is a deficient number, since it is larger than the sum of its proper divisors (360805339991038).

566421664546562 is a wasteful number, since it uses less digits than its factorization.

566421664546562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878558.

The product of its digits is 1492992000, while the sum is 68.

The spelling of 566421664546562 in words is "five hundred sixty-six trillion, four hundred twenty-one billion, six hundred sixty-four million, five hundred forty-six thousand, five hundred sixty-two".