166666833485 has 8 divisors (see below), whose sum is σ = 200013686520. Its totient is φ = 133324475904.

The previous prime is 166666833467. The next prime is 166666833499. The reversal of 166666833485 is 584338666661.

It is a happy number.

166666833485 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 4 ways, for example, as 61863130729 + 104803702756 = 248723^2 + 323734^2 .

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 166666833485 - 2¹² = 166666829389 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1041752 + ... + 1191041.

It is an arithmetic number, because the mean of its divisors is an integer number (25001710815).

Almost surely, 2^166666833485 is an apocalyptic number.

It is an amenable number.

166666833485 is a deficient number, since it is larger than the sum of its proper divisors (33346853035).

166666833485 is a wasteful number, since it uses less digits than its factorization.

166666833485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247727.

The product of its digits is 89579520, while the sum is 62.

The spelling of 166666833485 in words is "one hundred sixty-six billion, six hundred sixty-six million, eight hundred thirty-three thousand, four hundred eighty-five".