65917027108 has 12 divisors (see below), whose sum is σ = 115363816960. Its totient is φ = 32955936552.

The previous prime is 65917027093. The next prime is 65917027109. The reversal of 65917027108 is 80172071956.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (65917027109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586116 + ... + 689467.

Almost surely, 2^65917027108 is an apocalyptic number.

It is an amenable number.

65917027108 is a deficient number, since it is larger than the sum of its proper divisors (49446789852).

65917027108 is a wasteful number, since it uses less digits than its factorization.

65917027108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288506 (or 1288504 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 65917027108 in words is "sixty-five billion, nine hundred seventeen million, twenty-seven thousand, one hundred eight".