268131751612 has 12 divisors (see below), whose sum is σ = 489631894416. Its totient is φ = 128236924640.

The previous prime is 268131751577. The next prime is 268131751619. The reversal of 268131751612 is 216157131862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268131751619) 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, 1457237689 + ... + 1457237872.

It is an arithmetic number, because the mean of its divisors is an integer number (40802657868).

Almost surely, 2^268131751612 is an apocalyptic number.

It is an amenable number.

268131751612 is a deficient number, since it is larger than the sum of its proper divisors (221500142804).

268131751612 is a wasteful number, since it uses less digits than its factorization.

268131751612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914475588 (or 2914475586 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The spelling of 268131751612 in words is "two hundred sixty-eight billion, one hundred thirty-one million, seven hundred fifty-one thousand, six hundred twelve".