208102240168 has 16 divisors (see below), whose sum is σ = 390810080160. Its totient is φ = 103886218800.

The previous prime is 208102240147. The next prime is 208102240207. The reversal of 208102240168 is 861042201802.

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, 20607298 + ... + 20617393.

It is an arithmetic number, because the mean of its divisors is an integer number (24425630010).

Almost surely, 2^208102240168 is an apocalyptic number.

It is an amenable number.

208102240168 is a deficient number, since it is larger than the sum of its proper divisors (182707839992).

208102240168 is a wasteful number, since it uses less digits than its factorization.

208102240168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41225328 (or 41225324 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The spelling of 208102240168 in words is "two hundred eight billion, one hundred two million, two hundred forty thousand, one hundred sixty-eight".