1316955238197 has 8 divisors (see below), whose sum is σ = 1816489983840. Its totient is φ = 847695325680.

The previous prime is 1316955238141. The next prime is 1316955238201. The reversal of 1316955238197 is 7918325596131.

It is a happy number.

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

It is not a de Polignac number, because 1316955238197 - 2⁶ = 1316955238133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1316955238197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316955238297) 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, 7568708179 + ... + 7568708352.

It is an arithmetic number, because the mean of its divisors is an integer number (227061247980).

Almost surely, 2^{1316955238197} is an apocalyptic number.

It is an amenable number.

1316955238197 is a deficient number, since it is larger than the sum of its proper divisors (499534745643).

1316955238197 is a wasteful number, since it uses less digits than its factorization.

1316955238197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15137416563.

The product of its digits is 12247200, while the sum is 60.

The spelling of 1316955238197 in words is "one trillion, three hundred sixteen billion, nine hundred fifty-five million, two hundred thirty-eight thousand, one hundred ninety-seven".