1066091356 has 12 divisors (see below), whose sum is σ = 2035265400. Its totient is φ = 484586960.

The previous prime is 1066091353. The next prime is 1066091399. The reversal of 1066091356 is 6531906601.

It is a super-2 number, since 2×1066091356² = 2273101558675837472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066091353) 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 in 3 ways as a sum of consecutive naturals, for example, 12114631 + ... + 12114718.

It is an arithmetic number, because the mean of its divisors is an integer number (169605450).

Almost surely, 2^1066091356 is an apocalyptic number.

It is an amenable number.

1066091356 is a deficient number, since it is larger than the sum of its proper divisors (969174044).

1066091356 is a wasteful number, since it uses less digits than its factorization.

1066091356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24229364 (or 24229362 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 1066091356 is about 32651.0544393286. The cubic root of 1066091356 is about 1021.5621826601.

Adding to 1066091356 its reverse (6531906601), we get a palindrome (7597997957).

The spelling of 1066091356 in words is "one billion, sixty-six million, ninety-one thousand, three hundred fifty-six".