1166972928841 has 2 divisors, whose sum is σ = 1166972928842. Its totient is φ = 1166972928840.

The previous prime is 1166972928773. The next prime is 1166972928857. The reversal of 1166972928841 is 1488292796611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 740830311225 + 426142617616 = 860715^2 + 652796^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166972928841 - 2¹⁵ = 1166972896073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1166972928871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583486464420 + 583486464421.

It is an arithmetic number, because the mean of its divisors is an integer number (583486464421).

Almost surely, 2^{1166972928841} is an apocalyptic number.

It is an amenable number.

1166972928841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166972928841 is an equidigital number, since it uses as much as digits as its factorization.

1166972928841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 64.

The spelling of 1166972928841 in words is "one trillion, one hundred sixty-six billion, nine hundred seventy-two million, nine hundred twenty-eight thousand, eight hundred forty-one".