166668319835 has 8 divisors (see below), whose sum is σ = 201275882736. Its totient is φ = 132485389920.

The previous prime is 166668319817. The next prime is 166668319859. The reversal of 166668319835 is 538913866661.

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

It is not a de Polignac number, because 166668319835 - 2⁸ = 166668319579 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106157381 + ... + 106158950.

It is an arithmetic number, because the mean of its divisors is an integer number (25159485342).

Almost surely, 2^166668319835 is an apocalyptic number.

166668319835 is a deficient number, since it is larger than the sum of its proper divisors (34607562901).

166668319835 is a wasteful number, since it uses less digits than its factorization.

166668319835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212316493.

The product of its digits is 33592320, while the sum is 62.

The spelling of 166668319835 in words is "one hundred sixty-six billion, six hundred sixty-eight million, three hundred nineteen thousand, eight hundred thirty-five".