38966161133 has 2 divisors, whose sum is σ = 38966161134. Its totient is φ = 38966161132.

The previous prime is 38966161127. The next prime is 38966161151. The reversal of 38966161133 is 33116166983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38855111689 + 111049444 = 197117^2 + 10538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38966161133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38966161033) 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 as a sum of consecutive naturals, namely, 19483080566 + 19483080567.

It is an arithmetic number, because the mean of its divisors is an integer number (19483080567).

Almost surely, 2^38966161133 is an apocalyptic number.

It is an amenable number.

38966161133 is a deficient number, since it is larger than the sum of its proper divisors (1).

38966161133 is an equidigital number, since it uses as much as digits as its factorization.

38966161133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 47.

The spelling of 38966161133 in words is "thirty-eight billion, nine hundred sixty-six million, one hundred sixty-one thousand, one hundred thirty-three".