208672158 has 16 divisors (see below), whose sum is σ = 417735936. Its totient is φ = 69492120.

The previous prime is 208672157. The next prime is 208672187. The reversal of 208672158 is 851276802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208672153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9148 + ... + 22383.

It is an arithmetic number, because the mean of its divisors is an integer number (26108496).

Almost surely, 2^208672158 is an apocalyptic number.

208672158 is an abundant number, since it is smaller than the sum of its proper divisors (209063778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208672158 is a wasteful number, since it uses less digits than its factorization.

208672158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32639.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 208672158 is about 14445.4891921319. The cubic root of 208672158 is about 593.1367535311.

The spelling of 208672158 in words is "two hundred eight million, six hundred seventy-two thousand, one hundred fifty-eight".