268107955051728 has 120 divisors (see below), whose sum is σ = 781876736345824. Its totient is φ = 79049028453120.

The previous prime is 268107955051693. The next prime is 268107955051753. The reversal of 268107955051728 is 827150559701862.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 623593726 + ... + 624023517.

Almost surely, 2^{268107955051728} is an apocalyptic number.

It is an amenable number.

268107955051728 is an abundant number, since it is smaller than the sum of its proper divisors (513768781294096).

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

268107955051728 is a wasteful number, since it uses less digits than its factorization.

268107955051728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247617313 (or 1247617296 counting only the distinct ones).

The product of its (nonzero) digits is 84672000, while the sum is 66.

The spelling of 268107955051728 in words is "two hundred sixty-eight trillion, one hundred seven billion, nine hundred fifty-five million, fifty-one thousand, seven hundred twenty-eight".