1066116199 has 2 divisors, whose sum is σ = 1066116200. Its totient is φ = 1066116198.

The previous prime is 1066116131. The next prime is 1066116203. The reversal of 1066116199 is 9916116601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066116199 - 2¹¹ = 1066114151 is a prime.

It is a super-2 number, since 2×1066116199² = 2273207499540415202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066116899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533058099 + 533058100.

It is an arithmetic number, because the mean of its divisors is an integer number (533058100).

Almost surely, 2^1066116199 is an apocalyptic number.

1066116199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066116199 is an equidigital number, since it uses as much as digits as its factorization.

1066116199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 1066116199 is about 32651.4348689303. The cubic root of 1066116199 is about 1021.5701177125.

The spelling of 1066116199 in words is "one billion, sixty-six million, one hundred sixteen thousand, one hundred ninety-nine".