1316176421863 has 2 divisors, whose sum is σ = 1316176421864. Its totient is φ = 1316176421862.

The previous prime is 1316176421851. The next prime is 1316176421887. The reversal of 1316176421863 is 3681246716131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1316176421863 - 2⁵ = 1316176421831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316176422863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658088210931 + 658088210932.

It is an arithmetic number, because the mean of its divisors is an integer number (658088210932).

Almost surely, 2^{1316176421863} is an apocalyptic number.

1316176421863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316176421863 is an equidigital number, since it uses as much as digits as its factorization.

1316176421863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The spelling of 1316176421863 in words is "one trillion, three hundred sixteen billion, one hundred seventy-six million, four hundred twenty-one thousand, eight hundred sixty-three".