1066451843 has 2 divisors, whose sum is σ = 1066451844. Its totient is φ = 1066451842.

The previous prime is 1066451839. The next prime is 1066451873. The reversal of 1066451843 is 3481546601.

1066451843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1066451843 - 2² = 1066451839 is a prime.

It is a super-2 number, since 2×1066451843² = 2274639066876193298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066451797 and 1066451806.

It is not a weakly prime, because it can be changed into another prime (1066451873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533225921 + 533225922.

It is an arithmetic number, because the mean of its divisors is an integer number (533225922).

Almost surely, 2^1066451843 is an apocalyptic number.

1066451843 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066451843 is an equidigital number, since it uses as much as digits as its factorization.

1066451843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1066451843 is about 32656.5742692034. The cubic root of 1066451843 is about 1021.6773130019.

The spelling of 1066451843 in words is "one billion, sixty-six million, four hundred fifty-one thousand, eight hundred forty-three".