66183861113 has 2 divisors, whose sum is σ = 66183861114. Its totient is φ = 66183861112.

The previous prime is 66183861077. The next prime is 66183861127. The reversal of 66183861113 is 31116838166.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57184113424 + 8999747689 = 239132^2 + 94867^2 .

It is a cyclic number.

It is not a de Polignac number, because 66183861113 - 2¹⁰ = 66183860089 is a prime.

It is not a weakly prime, because it can be changed into another prime (66183861193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33091930556 + 33091930557.

It is an arithmetic number, because the mean of its divisors is an integer number (33091930557).

Almost surely, 2^66183861113 is an apocalyptic number.

It is an amenable number.

66183861113 is a deficient number, since it is larger than the sum of its proper divisors (1).

66183861113 is an equidigital number, since it uses as much as digits as its factorization.

66183861113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 44.

The spelling of 66183861113 in words is "sixty-six billion, one hundred eighty-three million, eight hundred sixty-one thousand, one hundred thirteen".