166845026994 has 8 divisors (see below), whose sum is σ = 333690054000. Its totient is φ = 55615008996.

The previous prime is 166845026983. The next prime is 166845027101. The reversal of 166845026994 is 499620548661.

166845026994 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.

166845026994 is an admirable number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13903752244 + ... + 13903752255.

It is an arithmetic number, because the mean of its divisors is an integer number (41711256750).

Almost surely, 2^166845026994 is an apocalyptic number.

166845026994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166845026994 is a wasteful number, since it uses less digits than its factorization.

166845026994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27807504504.

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 166845026994 in words is "one hundred sixty-six billion, eight hundred forty-five million, twenty-six thousand, nine hundred ninety-four".