65706656661701 has 8 divisors (see below), whose sum is σ = 71691973773408. Its totient is φ = 59723336998000.

The previous prime is 65706656661697. The next prime is 65706656661703. The reversal of 65706656661701 is 10716665660756.

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 65706656661701 - 2² = 65706656661697 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65706656661703) 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, 499293215 + ... + 499424796.

It is an arithmetic number, because the mean of its divisors is an integer number (8961496721676).

Almost surely, 2^{65706656661701} is an apocalyptic number.

It is an amenable number.

65706656661701 is a deficient number, since it is larger than the sum of its proper divisors (5985317111707).

65706656661701 is a wasteful number, since it uses less digits than its factorization.

65706656661701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998724003.

The product of its (nonzero) digits is 57153600, while the sum is 62.

The spelling of 65706656661701 in words is "sixty-five trillion, seven hundred six billion, six hundred fifty-six million, six hundred sixty-one thousand, seven hundred one".