2255786191 has 8 divisors (see below), whose sum is σ = 2386448000. Its totient is φ = 2126318040.

The previous prime is 2255786189. The next prime is 2255786231. The reversal of 2255786191 is 1916875522.

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 2255786191 - 2¹ = 2255786189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255186191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294525 + ... + 302086.

It is an arithmetic number, because the mean of its divisors is an integer number (298306000).

Almost surely, 2^2255786191 is an apocalyptic number.

2255786191 is a deficient number, since it is larger than the sum of its proper divisors (130661809).

2255786191 is a wasteful number, since it uses less digits than its factorization.

2255786191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596829.

The product of its digits is 302400, while the sum is 46.

The square root of 2255786191 is about 47495.1175490702. The cubic root of 2255786191 is about 1311.4930030251.

The spelling of 2255786191 in words is "two billion, two hundred fifty-five million, seven hundred eighty-six thousand, one hundred ninety-one".