166683351712 has 24 divisors (see below), whose sum is σ = 328186899936. Its totient is φ = 83334297792.

The previous prime is 166683351599. The next prime is 166683351733. The reversal of 166683351712 is 217153386661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146013 + ... + 595555.

It is an arithmetic number, because the mean of its divisors is an integer number (13674454164).

Almost surely, 2^166683351712 is an apocalyptic number.

It is an amenable number.

166683351712 is a deficient number, since it is larger than the sum of its proper divisors (161503548224).

166683351712 is a wasteful number, since it uses less digits than its factorization.

166683351712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461140 (or 461132 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The spelling of 166683351712 in words is "one hundred sixty-six billion, six hundred eighty-three million, three hundred fifty-one thousand, seven hundred twelve".