1089632416 has 12 divisors (see below), whose sum is σ = 2145213882. Its totient is φ = 544816192.

The previous prime is 1089632393. The next prime is 1089632417. The reversal of 1089632416 is 6142369801.

It can be written as a sum of positive squares in only one way, i.e., 977187600 + 112444816 = 31260^2 + 10604^2 .

It is not an unprimeable number, because it can be changed into a prime (1089632417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17025475 + ... + 17025538.

Almost surely, 2^1089632416 is an apocalyptic number.

1089632416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1089632416 is a deficient number, since it is larger than the sum of its proper divisors (1055581466).

1089632416 is an equidigital number, since it uses as much as digits as its factorization.

1089632416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34051023 (or 34051015 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1089632416 is about 33009.5806698601. The cubic root of 1089632416 is about 1029.0267666213.

The spelling of 1089632416 in words is "one billion, eighty-nine million, six hundred thirty-two thousand, four hundred sixteen".