166668335000 has 40 divisors (see below), whose sum is σ = 390503920620. Its totient is φ = 66667332000.

The previous prime is 166668334999. The next prime is 166668335011. The reversal of 166668335000 is 533866661.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16661834 + ... + 16671833.

Almost surely, 2^166668335000 is an apocalyptic number.

166668335000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166668335000 is an abundant number, since it is smaller than the sum of its proper divisors (223835585620).

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

166668335000 is an equidigital number, since it uses as much as digits as its factorization.

166668335000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33333693 (or 33333674 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 166668335000 in words is "one hundred sixty-six billion, six hundred sixty-eight million, three hundred thirty-five thousand".