1066533326433 has 6 divisors (see below), whose sum is σ = 1540548138194. Its totient is φ = 711022217616.

The previous prime is 1066533326429. The next prime is 1066533326459. The reversal of 1066533326433 is 3346233356601.

1066533326433 is a `hidden beast` number, since 1 + 0 + 66 + 533 + 3 + 26 + 4 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1058279240529 + 8254085904 = 1028727^2 + 90852^2 .

It is not a de Polignac number, because 1066533326433 - 2² = 1066533326429 is a prime.

It is a super-2 number, since 2×1066533326433² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066533326933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59251851460 + ... + 59251851477.

Almost surely, 2^{1066533326433} is an apocalyptic number.

It is an amenable number.

1066533326433 is a deficient number, since it is larger than the sum of its proper divisors (474014811761).

1066533326433 is a wasteful number, since it uses less digits than its factorization.

1066533326433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118503702943 (or 118503702940 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 45.

The spelling of 1066533326433 in words is "one trillion, sixty-six billion, five hundred thirty-three million, three hundred twenty-six thousand, four hundred thirty-three".