1066843799 has 16 divisors (see below), whose sum is σ = 1290193920. Its totient is φ = 862350720.

The previous prime is 1066843777. The next prime is 1066843831. The reversal of 1066843799 is 9973486601.

It is not a de Polignac number, because 1066843799 - 2⁸ = 1066843543 is a prime.

It is a super-2 number, since 2×1066843799² = 2276311382929504802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066843799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066843769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35234 + ... + 58095.

It is an arithmetic number, because the mean of its divisors is an integer number (80637120).

Almost surely, 2^1066843799 is an apocalyptic number.

1066843799 is a deficient number, since it is larger than the sum of its proper divisors (223350121).

1066843799 is an equidigital number, since it uses as much as digits as its factorization.

1066843799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93430.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 1066843799 is about 32662.5748984981. The cubic root of 1066843799 is about 1021.8024643018.

The spelling of 1066843799 in words is "one billion, sixty-six million, eight hundred forty-three thousand, seven hundred ninety-nine".