65317716755605 has 8 divisors (see below), whose sum is σ = 80204080109472. Its totient is φ = 51038960069328.

The previous prime is 65317716755563. The next prime is 65317716755623. The reversal of 65317716755605 is 50655761771356.

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 65317716755605 - 2²⁷ = 65317582537877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151901666659 + ... + 151901667088.

It is an arithmetic number, because the mean of its divisors is an integer number (10025510013684).

Almost surely, 2^{65317716755605} is an apocalyptic number.

It is an amenable number.

65317716755605 is a deficient number, since it is larger than the sum of its proper divisors (14886363353867).

65317716755605 is a wasteful number, since it uses less digits than its factorization.

65317716755605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303803333795.

The product of its (nonzero) digits is 138915000, while the sum is 64.

The spelling of 65317716755605 in words is "sixty-five trillion, three hundred seventeen billion, seven hundred sixteen million, seven hundred fifty-five thousand, six hundred five".