209008828016 has 20 divisors (see below), whose sum is σ = 405105284400. Its totient is φ = 104465528832.

The previous prime is 209008827983. The next prime is 209008828019. The reversal of 209008828016 is 610828800902.

209008828016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209008828019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2385956 + ... + 2472003.

It is an arithmetic number, because the mean of its divisors is an integer number (20255264220).

Almost surely, 2^209008828016 is an apocalyptic number.

It is an amenable number.

209008828016 is a deficient number, since it is larger than the sum of its proper divisors (196096456384).

209008828016 is a wasteful number, since it uses less digits than its factorization.

209008828016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860656 (or 4860650 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The spelling of 209008828016 in words is "two hundred nine billion, eight million, eight hundred twenty-eight thousand, sixteen".