799166 has 4 divisors (see below), whose sum is σ = 1198752. Its totient is φ = 399582.

The previous prime is 799151. The next prime is 799171. The reversal of 799166 is 661997.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 799166.

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, 199790 + ... + 199793.

It is an arithmetic number, because the mean of its divisors is an integer number (299688).

2⁷⁹⁹¹⁶⁶ is an apocalyptic number.

799166 is a deficient number, since it is larger than the sum of its proper divisors (399586).

799166 is a wasteful number, since it uses less digits than its factorization.

799166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399585.

The product of its digits is 20412, while the sum is 38.

The square root of 799166 is about 893.9608492546. The cubic root of 799166 is about 92.7995064133.

The spelling of 799166 in words is "seven hundred ninety-nine thousand, one hundred sixty-six".