1166106043 has 2 divisors, whose sum is σ = 1166106044. Its totient is φ = 1166106042.

The previous prime is 1166106017. The next prime is 1166106047. The reversal of 1166106043 is 3406016611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1166106043 - 2²¹ = 1164008891 is a prime.

It is a super-2 number, since 2×1166106043² = 2719606607042235698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1166106047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583053021 + 583053022.

It is an arithmetic number, because the mean of its divisors is an integer number (583053022).

Almost surely, 2^1166106043 is an apocalyptic number.

1166106043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166106043 is an equidigital number, since it uses as much as digits as its factorization.

1166106043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1166106043 is about 34148.2948769042. The cubic root of 1166106043 is about 1052.5579487505.

The spelling of 1166106043 in words is "one billion, one hundred sixty-six million, one hundred six thousand, forty-three".