8128166 has 4 divisors (see below), whose sum is σ = 12192252. Its totient is φ = 4064082.

The previous prime is 8128147. The next prime is 8128171. The reversal of 8128166 is 6618218.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2032040 + ... + 2032043.

It is an arithmetic number, because the mean of its divisors is an integer number (3048063).

Almost surely, 2^8128166 is an apocalyptic number.

8128166 is a deficient number, since it is larger than the sum of its proper divisors (4064086).

8128166 is a wasteful number, since it uses less digits than its factorization.

8128166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064085.

The product of its digits is 4608, while the sum is 32.

The square root of 8128166 is about 2850.9938617963. The cubic root of 8128166 is about 201.0623965750.

The spelling of 8128166 in words is "eight million, one hundred twenty-eight thousand, one hundred sixty-six".