66043561113053 has 16 divisors (see below), whose sum is σ = 72871302504000. Its totient is φ = 59621974715520.

The previous prime is 66043561113037. The next prime is 66043561113059. The reversal of 66043561113053 is 35031116534066.

It is a cyclic number.

It is not a de Polignac number, because 66043561113053 - 2⁴ = 66043561113037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66043561112995 and 66043561113013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66043561113059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985779578 + ... + 985846571.

It is an arithmetic number, because the mean of its divisors is an integer number (4554456406500).

Almost surely, 2^{66043561113053} is an apocalyptic number.

It is an amenable number.

66043561113053 is a deficient number, since it is larger than the sum of its proper divisors (6827741390947).

66043561113053 is a wasteful number, since it uses less digits than its factorization.

66043561113053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971626252.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 66043561113053 in words is "sixty-six trillion, forty-three billion, five hundred sixty-one million, one hundred thirteen thousand, fifty-three".