65660110671 has 16 divisors (see below), whose sum is σ = 87693661440. Its totient is φ = 43700029440.

The previous prime is 65660110669. The next prime is 65660110723. The reversal of 65660110671 is 17601106656.

It is not a de Polignac number, because 65660110671 - 2¹ = 65660110669 is a prime.

It is a super-2 number, since 2×65660110671² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65660110171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11234476 + ... + 11240318.

It is an arithmetic number, because the mean of its divisors is an integer number (5480853840).

Almost surely, 2^65660110671 is an apocalyptic number.

65660110671 is a deficient number, since it is larger than the sum of its proper divisors (22033550769).

65660110671 is a wasteful number, since it uses less digits than its factorization.

65660110671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11486.

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 65660110671 in words is "sixty-five billion, six hundred sixty million, one hundred ten thousand, six hundred seventy-one".