166055553626105 has 16 divisors (see below), whose sum is σ = 234103493784384. Its totient is φ = 111477854182080.

The previous prime is 166055553626093. The next prime is 166055553626107. The reversal of 166055553626105 is 501626355550661.

It is not a de Polignac number, because 166055553626105 - 2⁴ = 166055553626089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166055553626107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116122764059 + ... + 116122765488.

It is an arithmetic number, because the mean of its divisors is an integer number (14631468361524).

Almost surely, 2^{166055553626105} is an apocalyptic number.

It is an amenable number.

166055553626105 is a deficient number, since it is larger than the sum of its proper divisors (68047940158279).

166055553626105 is a wasteful number, since it uses less digits than its factorization.

166055553626105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232245529576.

The product of its (nonzero) digits is 24300000, while the sum is 56.

The spelling of 166055553626105 in words is "one hundred sixty-six trillion, fifty-five billion, five hundred fifty-three million, six hundred twenty-six thousand, one hundred five".