206739168 has 48 divisors (see below), whose sum is σ = 548810640. Its totient is φ = 68135936.

The previous prime is 206739161. The next prime is 206739233. The reversal of 206739168 is 861937602.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206739161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3555 + ... + 20642.

It is an arithmetic number, because the mean of its divisors is an integer number (11433555).

Almost surely, 2^206739168 is an apocalyptic number.

It is an amenable number.

206739168 is an abundant number, since it is smaller than the sum of its proper divisors (342071472).

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

206739168 is a wasteful number, since it uses less digits than its factorization.

206739168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24299 (or 24291 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 206739168 is about 14378.4271740688. The cubic root of 206739168 is about 591.2996038760.

The spelling of 206739168 in words is "two hundred six million, seven hundred thirty-nine thousand, one hundred sixty-eight".