65942993106186 has 192 divisors, whose sum is σ = 168260511928320. Its totient is φ = 17112010648320.

The previous prime is 65942993105993. The next prime is 65942993106227. The reversal of 65942993106186 is 68160139924956.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65942993106186.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16749286 + ... + 20308238.

It is an arithmetic number, because the mean of its divisors is an integer number (876356832960).

Almost surely, 2^{65942993106186} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65942993106186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84130255964160).

65942993106186 is an abundant number, since it is smaller than the sum of its proper divisors (102317518822134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65942993106186 is a wasteful number, since it uses less digits than its factorization.

65942993106186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559129 (or 3559122 counting only the distinct ones).

The product of its (nonzero) digits is 151165440, while the sum is 69.

The spelling of 65942993106186 in words is "sixty-five trillion, nine hundred forty-two billion, nine hundred ninety-three million, one hundred six thousand, one hundred eighty-six".