71316661317 has 8 divisors (see below), whose sum is σ = 103733325600. Its totient is φ = 43222218960.

The previous prime is 71316661307. The next prime is 71316661319.

71316661317 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 71316661317 - 2²⁶ = 71249552453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71316661319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080555442 + ... + 1080555507.

It is an arithmetic number, because the mean of its divisors is an integer number (12966665700).

Almost surely, 2^71316661317 is an apocalyptic number.

It is an amenable number.

71316661317 is a deficient number, since it is larger than the sum of its proper divisors (32416664283).

71316661317 is a wasteful number, since it uses less digits than its factorization.

71316661317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161110963.

The product of its digits is 95256, while the sum is 42.

The spelling of 71316661317 in words is "seventy-one billion, three hundred sixteen million, six hundred sixty-one thousand, three hundred seventeen".