16564007 has 2 divisors, whose sum is σ = 16564008. Its totient is φ = 16564006.

The previous prime is 16563997. The next prime is 16564021. The reversal of 16564007 is 70046561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16564007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16564507) 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, 8282003 + 8282004.

It is an arithmetic number, because the mean of its divisors is an integer number (8282004).

Almost surely, 2^16564007 is an apocalyptic number.

16564007 is a deficient number, since it is larger than the sum of its proper divisors (1).

16564007 is an equidigital number, since it uses as much as digits as its factorization.

16564007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 16564007 is about 4069.8902933617. The cubic root of 16564007 is about 254.9109364731.

The spelling of 16564007 in words is "sixteen million, five hundred sixty-four thousand, seven".