1066664119 has 4 divisors (see below), whose sum is σ = 1066756744. Its totient is φ = 1066571496.

The previous prime is 1066664069. The next prime is 1066664129. The reversal of 1066664119 is 9114666601.

1066664119 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9114666601 = 263 ⋅34656527.

It is a cyclic number.

It is not a de Polignac number, because 1066664119 - 2⁷ = 1066663991 is a prime.

It is a super-2 number, since 2×1066664119² = 2275544685524092322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066664129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26097 + ... + 53050.

It is an arithmetic number, because the mean of its divisors is an integer number (266689186).

Almost surely, 2^1066664119 is an apocalyptic number.

1066664119 is a deficient number, since it is larger than the sum of its proper divisors (92625).

1066664119 is an equidigital number, since it uses as much as digits as its factorization.

1066664119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92624.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1066664119 is about 32659.8242340647. The cubic root of 1066664119 is about 1021.7450963987.

The spelling of 1066664119 in words is "one billion, sixty-six million, six hundred sixty-four thousand, one hundred nineteen".