1166842043 has 2 divisors, whose sum is σ = 1166842044. Its totient is φ = 1166842042.

The previous prime is 1166842037. The next prime is 1166842093. The reversal of 1166842043 is 3402486611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1166842043 - 2²⁴ = 1150064827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1166841994 and 1166842012.

It is not a weakly prime, because it can be changed into another prime (1166842013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583421021 + 583421022.

It is an arithmetic number, because the mean of its divisors is an integer number (583421022).

Almost surely, 2^1166842043 is an apocalyptic number.

1166842043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166842043 is an equidigital number, since it uses as much as digits as its factorization.

1166842043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 1166842043 is about 34159.0697033745. The cubic root of 1166842043 is about 1052.7793464896.

The spelling of 1166842043 in words is "one billion, one hundred sixty-six million, eight hundred forty-two thousand, forty-three".