208163974822 has 8 divisors (see below), whose sum is σ = 312267249000. Its totient is φ = 104074891824.

The previous prime is 208163974793. The next prime is 208163974841. The reversal of 208163974822 is 228479361802.

208163974822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 208163974822.

It is a congruent number.

It is an unprimeable number.

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, 3511047 + ... + 3569842.

It is an arithmetic number, because the mean of its divisors is an integer number (39033406125).

Almost surely, 2^208163974822 is an apocalyptic number.

208163974822 is a deficient number, since it is larger than the sum of its proper divisors (104103274178).

208163974822 is a wasteful number, since it uses less digits than its factorization.

208163974822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095590.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 208163974822 in words is "two hundred eight billion, one hundred sixty-three million, nine hundred seventy-four thousand, eight hundred twenty-two".