208846671868144 has 20 divisors (see below), whose sum is σ = 404643716927824. Its totient is φ = 104422486854528.

The previous prime is 208846671868097. The next prime is 208846671868151. The reversal of 208846671868144 is 441868176648802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51035877 + ... + 54975940.

Almost surely, 2^{208846671868144} is an apocalyptic number.

It is an amenable number.

208846671868144 is a deficient number, since it is larger than the sum of its proper divisors (195797045059680).

208846671868144 is a wasteful number, since it uses less digits than its factorization.

208846671868144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106134952 (or 106134946 counting only the distinct ones).

The product of its (nonzero) digits is 792723456, while the sum is 73.

The spelling of 208846671868144 in words is "two hundred eight trillion, eight hundred forty-six billion, six hundred seventy-one million, eight hundred sixty-eight thousand, one hundred forty-four".