1166669 has 4 divisors (see below), whose sum is σ = 1333344. Its totient is φ = 999996.

The previous prime is 1166663. The next prime is 1166677. The reversal of 1166669 is 9666611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1166669 - 2⁸ = 1166413 is a prime.

It is a super-2 number, since 2×1166669² = 2722233111122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166663) by changing a digit.

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, 83327 + ... + 83340.

It is an arithmetic number, because the mean of its divisors is an integer number (333336).

2^1166669 is an apocalyptic number.

It is an amenable number.

1166669 is a deficient number, since it is larger than the sum of its proper divisors (166675).

1166669 is an equidigital number, since it uses as much as digits as its factorization.

1166669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166674.

The product of its digits is 11664, while the sum is 35.

The square root of 1166669 is about 1080.1245298576. The cubic root of 1166669 is about 105.2727301427.

The spelling of 1166669 in words is "one million, one hundred sixty-six thousand, six hundred sixty-nine".