1066903585 has 12 divisors (see below), whose sum is σ = 1407255444. Its totient is φ = 775929440.

The previous prime is 1066903489. The next prime is 1066903589. The reversal of 1066903585 is 5853096601.

It can be written as a sum of positive squares in 2 ways, for example, as 746600976 + 320302609 = 27324^2 + 17897^2 .

It is not a de Polignac number, because 1066903585 - 2²¹ = 1064806433 is a prime.

It is a super-2 number, since 2×1066903585² = 2276566519371704450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066903589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 881134 + ... + 882343.

It is an arithmetic number, because the mean of its divisors is an integer number (117271287).

Almost surely, 2^1066903585 is an apocalyptic number.

It is an amenable number.

1066903585 is a deficient number, since it is larger than the sum of its proper divisors (340351859).

1066903585 is a wasteful number, since it uses less digits than its factorization.

1066903585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763504 (or 1763493 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 1066903585 is about 32663.4900921503. The cubic root of 1066903585 is about 1021.8215512387.

The spelling of 1066903585 in words is "one billion, sixty-six million, nine hundred three thousand, five hundred eighty-five".