65543394138006 has 32 divisors (see below), whose sum is σ = 131415591938400. Its totient is φ = 21793065984000.

The previous prime is 65543394137999. The next prime is 65543394138011. The reversal of 65543394138006 is 60083149334556.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4742745 + ... + 12392756.

It is an arithmetic number, because the mean of its divisors is an integer number (4106737248075).

Almost surely, 2^{65543394138006} is an apocalyptic number.

65543394138006 is an abundant number, since it is smaller than the sum of its proper divisors (65872197800394).

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

65543394138006 is a wasteful number, since it uses less digits than its factorization.

65543394138006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17137104.

The product of its (nonzero) digits is 27993600, while the sum is 57.

The spelling of 65543394138006 in words is "sixty-five trillion, five hundred forty-three billion, three hundred ninety-four million, one hundred thirty-eight thousand, six".