1089216358 has 4 divisors (see below), whose sum is σ = 1633824540. Its totient is φ = 544608178.

The previous prime is 1089216347. The next prime is 1089216413. The reversal of 1089216358 is 8536129801.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272304088 + ... + 272304091.

It is an arithmetic number, because the mean of its divisors is an integer number (408456135).

Almost surely, 2^1089216358 is an apocalyptic number.

1089216358 is a deficient number, since it is larger than the sum of its proper divisors (544608182).

1089216358 is an equidigital number, since it uses as much as digits as its factorization.

1089216358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544608181.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1089216358 is about 33003.2779887089. The cubic root of 1089216358 is about 1028.8957777007.

The spelling of 1089216358 in words is "one billion, eighty-nine million, two hundred sixteen thousand, three hundred fifty-eight".