1312166928693 has 8 divisors (see below), whose sum is σ = 1769213836800. Its totient is φ = 864948986528.

The previous prime is 1312166928673. The next prime is 1312166928701. The reversal of 1312166928693 is 3968296612131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312166928693 - 2⁵ = 1312166928661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312166928673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2457241173 + ... + 2457241706.

It is an arithmetic number, because the mean of its divisors is an integer number (221151729600).

Almost surely, 2^{1312166928693} is an apocalyptic number.

It is an amenable number.

1312166928693 is a deficient number, since it is larger than the sum of its proper divisors (457046908107).

1312166928693 is an equidigital number, since it uses as much as digits as its factorization.

1312166928693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914482971.

The product of its digits is 5038848, while the sum is 57.

The spelling of 1312166928693 in words is "one trillion, three hundred twelve billion, one hundred sixty-six million, nine hundred twenty-eight thousand, six hundred ninety-three".