256968206 has 8 divisors (see below), whose sum is σ = 420493464. Its totient is φ = 116803720.

The previous prime is 256968203. The next prime is 256968227. The reversal of 256968206 is 602869652.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256968203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5840165 + ... + 5840208.

It is an arithmetic number, because the mean of its divisors is an integer number (52561683).

Almost surely, 2^256968206 is an apocalyptic number.

256968206 is a deficient number, since it is larger than the sum of its proper divisors (163525258).

256968206 is a wasteful number, since it uses less digits than its factorization.

256968206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11680386.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 256968206 is about 16030.2278835954. The cubic root of 256968206 is about 635.7598987549.

The spelling of 256968206 in words is "two hundred fifty-six million, nine hundred sixty-eight thousand, two hundred six".