166055553626107 has 2 divisors, whose sum is σ = 166055553626108. Its totient is φ = 166055553626106.

The previous prime is 166055553626093. The next prime is 166055553626129. The reversal of 166055553626107 is 701626355550661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166055553626107 - 2¹⁵ = 166055553593339 is a prime.

It is not a weakly prime, because it can be changed into another prime (166055553626147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83027776813053 + 83027776813054.

It is an arithmetic number, because the mean of its divisors is an integer number (83027776813054).

Almost surely, 2^{166055553626107} is an apocalyptic number.

166055553626107 is a deficient number, since it is larger than the sum of its proper divisors (1).

166055553626107 is an equidigital number, since it uses as much as digits as its factorization.

166055553626107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020000, while the sum is 58.

The spelling of 166055553626107 in words is "one hundred sixty-six trillion, fifty-five billion, five hundred fifty-three million, six hundred twenty-six thousand, one hundred seven".