206869195 has 8 divisors (see below), whose sum is σ = 267338736. Its totient is φ = 152764896.

The previous prime is 206869177. The next prime is 206869219. The reversal of 206869195 is 591968602.

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

It is a cyclic number.

It is not a de Polignac number, because 206869195 - 2¹⁷ = 206738123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1591237 + ... + 1591366.

It is an arithmetic number, because the mean of its divisors is an integer number (33417342).

Almost surely, 2^206869195 is an apocalyptic number.

206869195 is a deficient number, since it is larger than the sum of its proper divisors (60469541).

206869195 is a wasteful number, since it uses less digits than its factorization.

206869195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182621.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 206869195 is about 14382.9480635925. The cubic root of 206869195 is about 591.4235423331.

The spelling of 206869195 in words is "two hundred six million, eight hundred sixty-nine thousand, one hundred ninety-five".