1316176421797 has 4 divisors (see below), whose sum is σ = 1316413022080. Its totient is φ = 1315939821516.

The previous prime is 1316176421773. The next prime is 1316176421831. The reversal of 1316176421797 is 7971246716131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1316176421797 - 2⁷ = 1316176421669 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 (1316176421717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118291797 + ... + 118302922.

It is an arithmetic number, because the mean of its divisors is an integer number (329103255520).

Almost surely, 2^{1316176421797} is an apocalyptic number.

It is an amenable number.

1316176421797 is a deficient number, since it is larger than the sum of its proper divisors (236600283).

1316176421797 is an equidigital number, since it uses as much as digits as its factorization.

1316176421797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236600282.

The product of its digits is 2667168, while the sum is 55.

The spelling of 1316176421797 in words is "one trillion, three hundred sixteen billion, one hundred seventy-six million, four hundred twenty-one thousand, seven hundred ninety-seven".