83166566 has 8 divisors (see below), whose sum is σ = 142571280. Its totient is φ = 35642808.

The previous prime is 83166493. The next prime is 83166569. The reversal of 83166566 is 66566138.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83166569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2970221 + ... + 2970248.

It is an arithmetic number, because the mean of its divisors is an integer number (17821410).

Almost surely, 2^83166566 is an apocalyptic number.

83166566 is a deficient number, since it is larger than the sum of its proper divisors (59404714).

83166566 is a wasteful number, since it uses less digits than its factorization.

83166566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940478.

The product of its digits is 155520, while the sum is 41.

The square root of 83166566 is about 9119.5704942722. The cubic root of 83166566 is about 436.4986684191.

The spelling of 83166566 in words is "eighty-three million, one hundred sixty-six thousand, five hundred sixty-six".