65716681680131 has 8 divisors (see below), whose sum is σ = 66374932144320. Its totient is φ = 65061665862568.

The previous prime is 65716681680109. The next prime is 65716681680163. The reversal of 65716681680131 is 13108618661756.

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 65716681680131 - 2¹⁸ = 65716681417987 is a prime.

It is a super-2 number, since 2×65716681680131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65716681680631) 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, 808620821 + ... + 808702086.

It is an arithmetic number, because the mean of its divisors is an integer number (8296866518040).

Almost surely, 2^{65716681680131} is an apocalyptic number.

65716681680131 is a deficient number, since it is larger than the sum of its proper divisors (658250464189).

65716681680131 is a wasteful number, since it uses less digits than its factorization.

65716681680131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617323313.

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 65716681680131 in words is "sixty-five trillion, seven hundred sixteen billion, six hundred eighty-one million, six hundred eighty thousand, one hundred thirty-one".