1166998 has 8 divisors (see below), whose sum is σ = 2000592. Its totient is φ = 500136.

The previous prime is 1166987. The next prime is 1167011. The reversal of 1166998 is 8996611.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1166998.

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 in 3 ways as a sum of consecutive naturals, for example, 41665 + ... + 41692.

It is an arithmetic number, because the mean of its divisors is an integer number (250074).

2^1166998 is an apocalyptic number.

1166998 is a deficient number, since it is larger than the sum of its proper divisors (833594).

1166998 is an equidigital number, since it uses as much as digits as its factorization.

1166998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83366.

The product of its digits is 23328, while the sum is 40.

The square root of 1166998 is about 1080.2768163762. The cubic root of 1166998 is about 105.2826248295.

The spelling of 1166998 in words is "one million, one hundred sixty-six thousand, nine hundred ninety-eight".