1005666119 has 2 divisors, whose sum is σ = 1005666120. Its totient is φ = 1005666118.

The previous prime is 1005666061. The next prime is 1005666121. The reversal of 1005666119 is 9116665001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1005666119 - 2⁸ = 1005665863 is a prime.

It is a super-2 number, since 2×1005666119² = 2022728685809044322, which contains 22 as substring.

Together with 1005666121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005666139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502833059 + 502833060.

It is an arithmetic number, because the mean of its divisors is an integer number (502833060).

Almost surely, 2^1005666119 is an apocalyptic number.

1005666119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005666119 is an equidigital number, since it uses as much as digits as its factorization.

1005666119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1005666119 is about 31712.2392618371. The cubic root of 1005666119 is about 1001.8851503085.

The spelling of 1005666119 in words is "one billion, five million, six hundred sixty-six thousand, one hundred nineteen".