167166566 has 8 divisors (see below), whose sum is σ = 286571280. Its totient is φ = 71642808.

The previous prime is 167166557. The next prime is 167166581. The reversal of 167166566 is 665661761.

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

It is a Curzon 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, 5970221 + ... + 5970248.

It is an arithmetic number, because the mean of its divisors is an integer number (35821410).

Almost surely, 2^167166566 is an apocalyptic number.

167166566 is a deficient number, since it is larger than the sum of its proper divisors (119404714).

167166566 is a wasteful number, since it uses less digits than its factorization.

167166566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11940478.

The product of its digits is 272160, while the sum is 44.

The square root of 167166566 is about 12929.2910091776. The cubic root of 167166566 is about 550.8708693744.

The spelling of 167166566 in words is "one hundred sixty-seven million, one hundred sixty-six thousand, five hundred sixty-six".