208668644248 has 32 divisors (see below), whose sum is σ = 402810660000. Its totient is φ = 101278045440.

The previous prime is 208668644231. The next prime is 208668644263. The reversal of 208668644248 is 842446866802.

It is a happy number.

208668644248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 208668644192 and 208668644201.

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 7 ways as a sum of consecutive naturals, for example, 1533183 + ... + 1663726.

It is an arithmetic number, because the mean of its divisors is an integer number (12587833125).

Almost surely, 2^208668644248 is an apocalyptic number.

It is an amenable number.

208668644248 is a deficient number, since it is larger than the sum of its proper divisors (194142015752).

208668644248 is a wasteful number, since it uses less digits than its factorization.

208668644248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197155 (or 3197151 counting only the distinct ones).

The product of its (nonzero) digits is 28311552, while the sum is 58.

The spelling of 208668644248 in words is "two hundred eight billion, six hundred sixty-eight million, six hundred forty-four thousand, two hundred forty-eight".