166683333366 has 48 divisors (see below), whose sum is σ = 394059152448. Its totient is φ = 50499798000.

The previous prime is 166683333353. The next prime is 166683333391. The reversal of 166683333366 is 663333386661.

166683333366 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 916765 + ... + 1083431.

It is an arithmetic number, because the mean of its divisors is an integer number (8209565676).

Almost surely, 2^166683333366 is an apocalyptic number.

166683333366 is an abundant number, since it is smaller than the sum of its proper divisors (227375819082).

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

166683333366 is a wasteful number, since it uses less digits than its factorization.

166683333366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171737 (or 171734 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 54.

The spelling of 166683333366 in words is "one hundred sixty-six billion, six hundred eighty-three million, three hundred thirty-three thousand, three hundred sixty-six".