268223427251 has 16 divisors (see below), whose sum is σ = 305446487808. Its totient is φ = 233760038400.

The previous prime is 268223427233. The next prime is 268223427259. The reversal of 268223427251 is 152724322862.

It is not a de Polignac number, because 268223427251 - 2²² = 268219232947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268223427259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8100146 + ... + 8133191.

It is an arithmetic number, because the mean of its divisors is an integer number (19090405488).

Almost surely, 2^268223427251 is an apocalyptic number.

268223427251 is a deficient number, since it is larger than the sum of its proper divisors (37223060557).

268223427251 is a wasteful number, since it uses less digits than its factorization.

268223427251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16233422.

The product of its digits is 645120, while the sum is 44.

The spelling of 268223427251 in words is "two hundred sixty-eight billion, two hundred twenty-three million, four hundred twenty-seven thousand, two hundred fifty-one".