16579596643 has 2 divisors, whose sum is σ = 16579596644. Its totient is φ = 16579596642.

The previous prime is 16579596629. The next prime is 16579596679. The reversal of 16579596643 is 34669597561.

16579596643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16579596643 - 2¹³ = 16579588451 is a prime.

It is not a weakly prime, because it can be changed into another prime (16579596623) 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, 8289798321 + 8289798322.

It is an arithmetic number, because the mean of its divisors is an integer number (8289798322).

Almost surely, 2^16579596643 is an apocalyptic number.

16579596643 is a deficient number, since it is larger than the sum of its proper divisors (1).

16579596643 is an equidigital number, since it uses as much as digits as its factorization.

16579596643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36741600, while the sum is 61.

The spelling of 16579596643 in words is "sixteen billion, five hundred seventy-nine million, five hundred ninety-six thousand, six hundred forty-three".