166603133234411 has 2 divisors, whose sum is σ = 166603133234412. Its totient is φ = 166603133234410.

The previous prime is 166603133234399. The next prime is 166603133234423. The reversal of 166603133234411 is 114432331306661.

It is a balanced prime because it is at equal distance from previous prime (166603133234399) and next prime (166603133234423).

It is a cyclic number.

It is not a de Polignac number, because 166603133234411 - 2⁴⁶ = 96234389056747 is a prime.

It is not a weakly prime, because it can be changed into another prime (166603133234311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83301566617205 + 83301566617206.

It is an arithmetic number, because the mean of its divisors is an integer number (83301566617206).

Almost surely, 2^{166603133234411} is an apocalyptic number.

166603133234411 is a deficient number, since it is larger than the sum of its proper divisors (1).

166603133234411 is an equidigital number, since it uses as much as digits as its factorization.

166603133234411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 166603133234411 in words is "one hundred sixty-six trillion, six hundred three billion, one hundred thirty-three million, two hundred thirty-four thousand, four hundred eleven".