8208166 has 4 divisors (see below), whose sum is σ = 12312252. Its totient is φ = 4104082.

The previous prime is 8208157. The next prime is 8208181. The reversal of 8208166 is 6618028.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052040 + ... + 2052043.

It is an arithmetic number, because the mean of its divisors is an integer number (3078063).

Almost surely, 2^8208166 is an apocalyptic number.

8208166 is a deficient number, since it is larger than the sum of its proper divisors (4104086).

8208166 is a wasteful number, since it uses less digits than its factorization.

8208166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104085.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 8208166 is about 2864.9897032974. The cubic root of 8208166 is about 201.7198842621.

The spelling of 8208166 in words is "eight million, two hundred eight thousand, one hundred sixty-six".