206889118 has 8 divisors (see below), whose sum is σ = 310550760. Its totient is φ = 103372200.

The previous prime is 206889113. The next prime is 206889121. The reversal of 206889118 is 811988602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206889113) 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 3 ways as a sum of consecutive naturals, for example, 32533 + ... + 38368.

It is an arithmetic number, because the mean of its divisors is an integer number (38818845).

Almost surely, 2^206889118 is an apocalyptic number.

206889118 is a deficient number, since it is larger than the sum of its proper divisors (103661642).

206889118 is a wasteful number, since it uses less digits than its factorization.

206889118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72362.

The product of its (nonzero) digits is 55296, while the sum is 43.

The square root of 206889118 is about 14383.6406378914. The cubic root of 206889118 is about 591.4425278455.

The spelling of 206889118 in words is "two hundred six million, eight hundred eighty-nine thousand, one hundred eighteen".