206641795 has 8 divisors (see below), whose sum is σ = 249146640. Its totient is φ = 164529120.

The previous prime is 206641759. The next prime is 206641807. The reversal of 206641795 is 597146602.

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

It is not a de Polignac number, because 206641795 - 2¹⁵ = 206609027 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96880 + ... + 98989.

It is an arithmetic number, because the mean of its divisors is an integer number (31143330).

Almost surely, 2^206641795 is an apocalyptic number.

206641795 is a deficient number, since it is larger than the sum of its proper divisors (42504845).

206641795 is a wasteful number, since it uses less digits than its factorization.

206641795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196085.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 206641795 is about 14375.0406955946. The cubic root of 206641795 is about 591.2067563544.

The spelling of 206641795 in words is "two hundred six million, six hundred forty-one thousand, seven hundred ninety-five".