1066806128 has 10 divisors (see below), whose sum is σ = 2066936904. Its totient is φ = 533403056.

The previous prime is 1066806121. The next prime is 1066806173. The reversal of 1066806128 is 8216086601.

It is a super-2 number, since 2×1066806128² = 2276150629476704768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066806091 and 1066806100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066806121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33337676 + ... + 33337707.

Almost surely, 2^1066806128 is an apocalyptic number.

It is an amenable number.

1066806128 is a deficient number, since it is larger than the sum of its proper divisors (1000130776).

1066806128 is an equidigital number, since it uses as much as digits as its factorization.

1066806128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66675391 (or 66675385 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 1066806128 is about 32661.9982242361. The cubic root of 1066806128 is about 1021.7904373072.

The spelling of 1066806128 in words is "one billion, sixty-six million, eight hundred six thousand, one hundred twenty-eight".