1066000905 has 24 divisors (see below), whose sum is σ = 1916171712. Its totient is φ = 568533168.

The previous prime is 1066000889. The next prime is 1066000979. The reversal of 1066000905 is 5090006601.

1066000905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1066000905 - 2⁴ = 1066000889 is a prime.

It is a super-2 number, since 2×1066000905² = 2272715858921638050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437469 + ... + 439898.

It is an arithmetic number, because the mean of its divisors is an integer number (79840488).

Almost surely, 2^1066000905 is an apocalyptic number.

1066000905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1066000905 is a deficient number, since it is larger than the sum of its proper divisors (850170807).

1066000905 is an frugal number, since it uses more digits than its factorization.

1066000905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877387 (or 877375 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1066000905 is about 32649.6692938841. The cubic root of 1066000905 is about 1021.5332908477.

The spelling of 1066000905 in words is "one billion, sixty-six million, nine hundred five", and thus it is an aban number.