206366961 has 16 divisors (see below), whose sum is σ = 306676800. Its totient is φ = 122669568.

The previous prime is 206366959. The next prime is 206367011. The reversal of 206366961 is 169663602.

It is a happy number.

206366961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206366961 - 2¹ = 206366959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206366921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105516 + ... + 107453.

It is an arithmetic number, because the mean of its divisors is an integer number (19167300).

Almost surely, 2^206366961 is an apocalyptic number.

It is an amenable number.

206366961 is a deficient number, since it is larger than the sum of its proper divisors (100309839).

206366961 is a wasteful number, since it uses less digits than its factorization.

206366961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213008.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 206366961 is about 14365.4780985528. The cubic root of 206366961 is about 590.9445380142.

The spelling of 206366961 in words is "two hundred six million, three hundred sixty-six thousand, nine hundred sixty-one".