1316399166897 has 8 divisors (see below), whose sum is σ = 1755310983456. Its totient is φ = 877543397472.

The previous prime is 1316399166889. The next prime is 1316399166899. The reversal of 1316399166897 is 7986619936131.

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

It is not a de Polignac number, because 1316399166897 - 2³ = 1316399166889 is a prime.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1316399166899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13956948 + ... + 14050949.

It is an arithmetic number, because the mean of its divisors is an integer number (219413872932).

Almost surely, 2^{1316399166897} is an apocalyptic number.

It is an amenable number.

1316399166897 is a deficient number, since it is larger than the sum of its proper divisors (438911816559).

1316399166897 is a wasteful number, since it uses less digits than its factorization.

1316399166897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28023567.

The product of its digits is 79361856, while the sum is 69.

The spelling of 1316399166897 in words is "one trillion, three hundred sixteen billion, three hundred ninety-nine million, one hundred sixty-six thousand, eight hundred ninety-seven".