8166445 has 8 divisors (see below), whose sum is σ = 11199744. Its totient is φ = 5599824.

The previous prime is 8166439. The next prime is 8166451. The reversal of 8166445 is 5446618.

It is an interprime number because it is at equal distance from previous prime (8166439) and next prime (8166451).

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

It is a cyclic number.

It is not a de Polignac number, because 8166445 - 2⁷ = 8166317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8166445.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 116629 + ... + 116698.

It is an arithmetic number, because the mean of its divisors is an integer number (1399968).

Almost surely, 2^8166445 is an apocalyptic number.

It is an amenable number.

8166445 is a deficient number, since it is larger than the sum of its proper divisors (3033299).

8166445 is a wasteful number, since it uses less digits than its factorization.

8166445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233339.

The product of its digits is 23040, while the sum is 34.

The square root of 8166445 is about 2857.6992493963. The cubic root of 8166445 is about 201.3775319125.

The spelling of 8166445 in words is "eight million, one hundred sixty-six thousand, four hundred forty-five".