65663704417 has 8 divisors (see below), whose sum is σ = 69122345600. Its totient is φ = 62205328944.

The previous prime is 65663704369. The next prime is 65663704423. The reversal of 65663704417 is 71440736656.

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 65663704417 - 2¹¹ = 65663702369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65663701417) 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, 626008 + ... + 723334.

It is an arithmetic number, because the mean of its divisors is an integer number (8640293200).

Almost surely, 2^65663704417 is an apocalyptic number.

It is an amenable number.

65663704417 is a deficient number, since it is larger than the sum of its proper divisors (3458641183).

65663704417 is a wasteful number, since it uses less digits than its factorization.

65663704417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132855.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 65663704417 in words is "sixty-five billion, six hundred sixty-three million, seven hundred four thousand, four hundred seventeen".