564746647466 has 16 divisors (see below), whose sum is σ = 863228098944. Its totient is φ = 277005487824.

The previous prime is 564746647463. The next prime is 564746647523. The reversal of 564746647466 is 664746647465.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (564746647463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358715 + ... + 1121681.

It is an arithmetic number, because the mean of its divisors is an integer number (53951756184).

Almost surely, 2^564746647466 is an apocalyptic number.

564746647466 is a deficient number, since it is larger than the sum of its proper divisors (298481451478).

564746647466 is a wasteful number, since it uses less digits than its factorization.

564746647466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770005.

The product of its digits is 487710720, while the sum is 65.

Subtracting 564746647466 from its reverse (664746647465), we obtain a palindrome (99999999999).

The spelling of 564746647466 in words is "five hundred sixty-four billion, seven hundred forty-six million, six hundred forty-seven thousand, four hundred sixty-six".