206495966 has 4 divisors (see below), whose sum is σ = 309743952. Its totient is φ = 103247982.

The previous prime is 206495963. The next prime is 206495969. The reversal of 206495966 is 669594602.

206495966 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 669594602 = 2 ⋅334797301.

It is an interprime number because it is at equal distance from previous prime (206495963) and next prime (206495969).

It is a self number, because there is not a number n which added to its sum of digits gives 206495966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206495963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51623990 + ... + 51623993.

It is an arithmetic number, because the mean of its divisors is an integer number (77435988).

Almost surely, 2^206495966 is an apocalyptic number.

206495966 is a deficient number, since it is larger than the sum of its proper divisors (103247986).

206495966 is a wasteful number, since it uses less digits than its factorization.

206495966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103247985.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 206495966 is about 14369.9675017030. The cubic root of 206495966 is about 591.0676502925.

The spelling of 206495966 in words is "two hundred six million, four hundred ninety-five thousand, nine hundred sixty-six".