1316176421387 has 2 divisors, whose sum is σ = 1316176421388. Its totient is φ = 1316176421386.

The previous prime is 1316176421369. The next prime is 1316176421407. The reversal of 1316176421387 is 7831246716131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1316176421387 - 2¹⁴ = 1316176405003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1316176421887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658088210693 + 658088210694.

It is an arithmetic number, because the mean of its divisors is an integer number (658088210694).

Almost surely, 2^{1316176421387} is an apocalyptic number.

1316176421387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316176421387 is an equidigital number, since it uses as much as digits as its factorization.

1316176421387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 50.

The spelling of 1316176421387 in words is "one trillion, three hundred sixteen billion, one hundred seventy-six million, four hundred twenty-one thousand, three hundred eighty-seven".