564166646661451 has 2 divisors, whose sum is σ = 564166646661452. Its totient is φ = 564166646661450.

The previous prime is 564166646661379. The next prime is 564166646661481. The reversal of 564166646661451 is 154166646661465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564166646661451 is a prime.

It is not a weakly prime, because it can be changed into another prime (564166646661481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282083323330725 + 282083323330726.

It is an arithmetic number, because the mean of its divisors is an integer number (282083323330726).

Almost surely, 2^{564166646661451} is an apocalyptic number.

564166646661451 is a deficient number, since it is larger than the sum of its proper divisors (1).

564166646661451 is an equidigital number, since it uses as much as digits as its factorization.

564166646661451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 447897600, while the sum is 67.

The spelling of 564166646661451 in words is "five hundred sixty-four trillion, one hundred sixty-six billion, six hundred forty-six million, six hundred sixty-one thousand, four hundred fifty-one".