166668335185 has 32 divisors (see below), whose sum is σ = 223474204800. Its totient is φ = 118279795200.

The previous prime is 166668335143. The next prime is 166668335201. The reversal of 166668335185 is 581533866661.

166668335185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166668335185 - 2⁹ = 166668334673 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 2447295 + ... + 2514475.

It is an arithmetic number, because the mean of its divisors is an integer number (6983568900).

Almost surely, 2^166668335185 is an apocalyptic number.

It is an amenable number.

166668335185 is a deficient number, since it is larger than the sum of its proper divisors (56805869615).

166668335185 is a wasteful number, since it uses less digits than its factorization.

166668335185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68289.

The product of its digits is 18662400, while the sum is 58.

The spelling of 166668335185 in words is "one hundred sixty-six billion, six hundred sixty-eight million, three hundred thirty-five thousand, one hundred eighty-five".