268193998745896 has 32 divisors (see below), whose sum is σ = 532587137688000. Its totient is φ = 126175004091136.

The previous prime is 268193998745891. The next prime is 268193998746001. The reversal of 268193998745896 is 698547899391862.

It is not an unprimeable number, because it can be changed into a prime (268193998745891) 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 7 ways as a sum of consecutive naturals, for example, 264621226 + ... + 265632793.

It is an arithmetic number, because the mean of its divisors is an integer number (16643348052750).

Almost surely, 2^{268193998745896} is an apocalyptic number.

It is an amenable number.

268193998745896 is a deficient number, since it is larger than the sum of its proper divisors (264393138942104).

268193998745896 is a wasteful number, since it uses less digits than its factorization.

268193998745896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530257761 (or 530257757 counting only the distinct ones).

The product of its digits is 101583175680, while the sum is 94.

The spelling of 268193998745896 in words is "two hundred sixty-eight trillion, one hundred ninety-three billion, nine hundred ninety-eight million, seven hundred forty-five thousand, eight hundred ninety-six".