65717251176664 has 16 divisors (see below), whose sum is σ = 123220525974120. Its totient is φ = 32858444250240.

The previous prime is 65717251176611. The next prime is 65717251176719. The reversal of 65717251176664 is 46667115271756.

It is a junction number, because it is equal to n+sod(n) for n = 65717251176596 and 65717251176605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21120849 + ... + 24031744.

Almost surely, 2^{65717251176664} is an apocalyptic number.

It is an amenable number.

65717251176664 is a deficient number, since it is larger than the sum of its proper divisors (57503274797456).

65717251176664 is a wasteful number, since it uses less digits than its factorization.

65717251176664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45334530 (or 45334526 counting only the distinct ones).

The product of its digits is 88905600, while the sum is 64.

The spelling of 65717251176664 in words is "sixty-five trillion, seven hundred seventeen billion, two hundred fifty-one million, one hundred seventy-six thousand, six hundred sixty-four".