1268675816943 has 32 divisors (see below), whose sum is σ = 1752167194624. Its totient is φ = 815674860000.

The previous prime is 1268675816929. The next prime is 1268675816953. The reversal of 1268675816943 is 3496185768621.

It is not a de Polignac number, because 1268675816943 - 2⁶ = 1268675816879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268675816953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84060828 + ... + 84075918.

It is an arithmetic number, because the mean of its divisors is an integer number (54755224832).

Almost surely, 2^{1268675816943} is an apocalyptic number.

1268675816943 is a deficient number, since it is larger than the sum of its proper divisors (483491377681).

1268675816943 is a wasteful number, since it uses less digits than its factorization.

1268675816943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18187.

The product of its digits is 104509440, while the sum is 66.

The spelling of 1268675816943 in words is "one trillion, two hundred sixty-eight billion, six hundred seventy-five million, eight hundred sixteen thousand, nine hundred forty-three".