166845027011 has 8 divisors (see below), whose sum is σ = 179711090160. Its totient is φ = 153983511072.

The previous prime is 166845026983. The next prime is 166845027101. The reversal of 166845027011 is 110720548661.

166845027011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166845027011 - 2¹⁰ = 166845025987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166845027011.

It is not an unprimeable number, because it can be changed into a prime (166845029011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060400 + ... + 1207533.

It is an arithmetic number, because the mean of its divisors is an integer number (22463886270).

Almost surely, 2^166845027011 is an apocalyptic number.

166845027011 is a deficient number, since it is larger than the sum of its proper divisors (12866063149).

166845027011 is a wasteful number, since it uses less digits than its factorization.

166845027011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273605.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 166845027011 in words is "one hundred sixty-six billion, eight hundred forty-five million, twenty-seven thousand, eleven".