2268756678656 has 48 divisors (see below), whose sum is σ = 4885359897600. Its totient is φ = 1047118454784.

The previous prime is 2268756678623. The next prime is 2268756678659. The reversal of 2268756678656 is 6568766578622.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268756678659) 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, 42580736 + ... + 42633983.

It is an arithmetic number, because the mean of its divisors is an integer number (101778331200).

Almost surely, 2^{2268756678656} is an apocalyptic number.

2268756678656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2268756678656 is an abundant number, since it is smaller than the sum of its proper divisors (2616603218944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2268756678656 is an equidigital number, since it uses as much as digits as its factorization.

2268756678656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85214754 (or 85214734 counting only the distinct ones).

The product of its digits is 2438553600, while the sum is 74.

The spelling of 2268756678656 in words is "two trillion, two hundred sixty-eight billion, seven hundred fifty-six million, six hundred seventy-eight thousand, six hundred fifty-six".