71316652517 has 8 divisors (see below), whose sum is σ = 77968753632. Its totient is φ = 64692679600.

The previous prime is 71316652507. The next prime is 71316652559. The reversal of 71316652517 is 71525661317.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 71316652517 - 2¹⁰ = 71316651493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71316652507) 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, 7026743 + ... + 7036884.

It is an arithmetic number, because the mean of its divisors is an integer number (9746094204).

Almost surely, 2^71316652517 is an apocalyptic number.

It is an amenable number.

71316652517 is a deficient number, since it is larger than the sum of its proper divisors (6652101115).

71316652517 is a wasteful number, since it uses less digits than its factorization.

71316652517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14064099.

The product of its digits is 264600, while the sum is 44.

The spelling of 71316652517 in words is "seventy-one billion, three hundred sixteen million, six hundred fifty-two thousand, five hundred seventeen".