8166118 has 4 divisors (see below), whose sum is σ = 12249180. Its totient is φ = 4083058.

The previous prime is 8166107. The next prime is 8166209. The reversal of 8166118 is 8116618.

It is a happy number.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 8166118.

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, 2041528 + ... + 2041531.

It is an arithmetic number, because the mean of its divisors is an integer number (3062295).

Almost surely, 2^8166118 is an apocalyptic number.

8166118 is a deficient number, since it is larger than the sum of its proper divisors (4083062).

8166118 is a wasteful number, since it uses less digits than its factorization.

8166118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083061.

The product of its digits is 2304, while the sum is 31.

The square root of 8166118 is about 2857.6420349652. The cubic root of 8166118 is about 201.3748440301.

The spelling of 8166118 in words is "eight million, one hundred sixty-six thousand, one hundred eighteen".