206675361 has 32 divisors (see below), whose sum is σ = 311101440. Its totient is φ = 135594000.

The previous prime is 206675353. The next prime is 206675387. The reversal of 206675361 is 163576602.

It is not a de Polignac number, because 206675361 - 2³ = 206675353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206675351) 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 31 ways as a sum of consecutive naturals, for example, 664396 + ... + 664706.

It is an arithmetic number, because the mean of its divisors is an integer number (9721920).

Almost surely, 2^206675361 is an apocalyptic number.

It is an amenable number.

206675361 is a deficient number, since it is larger than the sum of its proper divisors (104426079).

206675361 is a wasteful number, since it uses less digits than its factorization.

206675361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 206675361 is about 14376.2081579254. The cubic root of 206675361 is about 591.2387656446.

The spelling of 206675361 in words is "two hundred six million, six hundred seventy-five thousand, three hundred sixty-one".