208973164 has 12 divisors (see below), whose sum is σ = 370854288. Its totient is φ = 103014800.

The previous prime is 208973137. The next prime is 208973183. The reversal of 208973164 is 461379802.

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, 367627 + ... + 368194.

It is an arithmetic number, because the mean of its divisors is an integer number (30904524).

Almost surely, 2^208973164 is an apocalyptic number.

It is an amenable number.

208973164 is a deficient number, since it is larger than the sum of its proper divisors (161881124).

208973164 is a wasteful number, since it uses less digits than its factorization.

208973164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735896 (or 735894 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 208973164 is about 14455.9041225376. The cubic root of 208973164 is about 593.4218130334.

The spelling of 208973164 in words is "two hundred eight million, nine hundred seventy-three thousand, one hundred sixty-four".