166250041064 has 16 divisors (see below), whose sum is σ = 311732412900. Its totient is φ = 83121397632.

The previous prime is 166250040967. The next prime is 166250041093. The reversal of 166250041064 is 460140052661.

166250041064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 159384592900 + 6865448164 = 399230^2 + 82858^2 .

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, 252629 + ... + 629540.

Almost surely, 2^166250041064 is an apocalyptic number.

It is an amenable number.

166250041064 is a deficient number, since it is larger than the sum of its proper divisors (145482371836).

166250041064 is a wasteful number, since it uses less digits than its factorization.

166250041064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905732 (or 905728 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 166250041064 in words is "one hundred sixty-six billion, two hundred fifty million, forty-one thousand, sixty-four".