1066682368541 has 2 divisors, whose sum is σ = 1066682368542. Its totient is φ = 1066682368540.

The previous prime is 1066682368537. The next prime is 1066682368547. The reversal of 1066682368541 is 1458632866601.

1066682368541 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., 717105806041 + 349576562500 = 846821^2 + 591250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066682368541 - 2² = 1066682368537 is a prime.

It is a super-2 number, since 2×1066682368541² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066682368547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533341184270 + 533341184271.

It is an arithmetic number, because the mean of its divisors is an integer number (533341184271).

Almost surely, 2^{1066682368541} is an apocalyptic number.

It is an amenable number.

1066682368541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066682368541 is an equidigital number, since it uses as much as digits as its factorization.

1066682368541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 1066682368541 in words is "one trillion, sixty-six billion, six hundred eighty-two million, three hundred sixty-eight thousand, five hundred forty-one".