64566011 has 2 divisors, whose sum is σ = 64566012. Its totient is φ = 64566010.

The previous prime is 64565987. The next prime is 64566023. The reversal of 64566011 is 11066546.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64566011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64566511) 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, 32283005 + 32283006.

It is an arithmetic number, because the mean of its divisors is an integer number (32283006).

Almost surely, 2^64566011 is an apocalyptic number.

64566011 is a deficient number, since it is larger than the sum of its proper divisors (1).

64566011 is an equidigital number, since it uses as much as digits as its factorization.

64566011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 64566011 is about 8035.2978165094. The cubic root of 64566011 is about 401.1757303428.

The spelling of 64566011 in words is "sixty-four million, five hundred sixty-six thousand, eleven".