1089946366 has 4 divisors (see below), whose sum is σ = 1634919552. Its totient is φ = 544973182.

The previous prime is 1089946357. The next prime is 1089946367. The reversal of 1089946366 is 6636499801.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089946367) 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, 272486590 + ... + 272486593.

It is an arithmetic number, because the mean of its divisors is an integer number (408729888).

Almost surely, 2^1089946366 is an apocalyptic number.

1089946366 is a deficient number, since it is larger than the sum of its proper divisors (544973186).

1089946366 is an equidigital number, since it uses as much as digits as its factorization.

1089946366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544973185.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 1089946366 is about 33014.3357649370. The cubic root of 1089946366 is about 1029.1255864699.

The spelling of 1089946366 in words is "one billion, eighty-nine million, nine hundred forty-six thousand, three hundred sixty-six".