166683685206 has 8 divisors (see below), whose sum is σ = 333367370424. Its totient is φ = 55561228400.

The previous prime is 166683685187. The next prime is 166683685211. The reversal of 166683685206 is 602586386661.

It is a sphenic number, since it is the product of 3 distinct primes.

166683685206 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13890307095 + ... + 13890307106.

It is an arithmetic number, because the mean of its divisors is an integer number (41670921303).

Almost surely, 2^166683685206 is an apocalyptic number.

166683685206 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.

166683685206 is a wasteful number, since it uses less digits than its factorization.

166683685206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27780614206.

The product of its (nonzero) digits is 14929920, while the sum is 57.

The spelling of 166683685206 in words is "one hundred sixty-six billion, six hundred eighty-three million, six hundred eighty-five thousand, two hundred six".