208816068 has 12 divisors (see below), whose sum is σ = 487237520. Its totient is φ = 69605352.

The previous prime is 208816033. The next prime is 208816079. The reversal of 208816068 is 860618802.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8700658 + ... + 8700681.

Almost surely, 2^208816068 is an apocalyptic number.

It is an amenable number.

208816068 is an abundant number, since it is smaller than the sum of its proper divisors (278421452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208816068 is a wasteful number, since it uses less digits than its factorization.

208816068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17401346 (or 17401344 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 208816068 is about 14450.4694733424. The cubic root of 208816068 is about 593.2730737382.

The spelling of 208816068 in words is "two hundred eight million, eight hundred sixteen thousand, sixty-eight".