2256163727 has 4 divisors (see below), whose sum is σ = 2258125056. Its totient is φ = 2254202400.

The previous prime is 2256163711. The next prime is 2256163729. The reversal of 2256163727 is 7273616522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2256163727 - 2⁴ = 2256163711 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 (2256163729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978938 + ... + 981239.

It is an arithmetic number, because the mean of its divisors is an integer number (564531264).

Almost surely, 2^2256163727 is an apocalyptic number.

2256163727 is a deficient number, since it is larger than the sum of its proper divisors (1961329).

2256163727 is a wasteful number, since it uses less digits than its factorization.

2256163727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961328.

The product of its digits is 211680, while the sum is 41.

The square root of 2256163727 is about 47499.0918544765. The cubic root of 2256163727 is about 1311.5661642440.

The spelling of 2256163727 in words is "two billion, two hundred fifty-six million, one hundred sixty-three thousand, seven hundred twenty-seven".