1066531466057 has 2 divisors, whose sum is σ = 1066531466058. Its totient is φ = 1066531466056.

The previous prime is 1066531466053. The next prime is 1066531466069. The reversal of 1066531466057 is 7506641356601.

1066531466057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 867690387001 + 198841079056 = 931499^2 + 445916^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066531466057 - 2² = 1066531466053 is a prime.

It is a super-2 number, since 2×1066531466057² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066531465996 and 1066531466014.

It is not a weakly prime, because it can be changed into another prime (1066531466053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533265733028 + 533265733029.

It is an arithmetic number, because the mean of its divisors is an integer number (533265733029).

Almost surely, 2^{1066531466057} is an apocalyptic number.

It is an amenable number.

1066531466057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066531466057 is an equidigital number, since it uses as much as digits as its factorization.

1066531466057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 1066531466057 in words is "one trillion, sixty-six billion, five hundred thirty-one million, four hundred sixty-six thousand, fifty-seven".