255680606 has 8 divisors (see below), whose sum is σ = 403706280. Its totient is φ = 121111848.

The previous prime is 255680603. The next prime is 255680609. The reversal of 255680606 is 606086552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (255680603) and next prime (255680609).

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 6728437 = 255680606 / (2 + 5 + 5 + 6 + 8 + 0 + 6 + 0 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 255680606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255680603) 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, 3364181 + ... + 3364256.

It is an arithmetic number, because the mean of its divisors is an integer number (50463285).

Almost surely, 2^255680606 is an apocalyptic number.

255680606 is a deficient number, since it is larger than the sum of its proper divisors (148025674).

255680606 is a wasteful number, since it uses less digits than its factorization.

255680606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6728458.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 255680606 is about 15990.0158223812. The cubic root of 255680606 is about 634.6962450735.

The spelling of 255680606 in words is "two hundred fifty-five million, six hundred eighty thousand, six hundred six".