1089184648 has 8 divisors (see below), whose sum is σ = 2042221230. Its totient is φ = 544592320.

The previous prime is 1089184589. The next prime is 1089184667. The reversal of 1089184648 is 8464819801.

It can be written as a sum of positive squares in only one way, i.e., 1028998084 + 60186564 = 32078^2 + 7758^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68074033 + ... + 68074048.

Almost surely, 2^1089184648 is an apocalyptic number.

It is an amenable number.

1089184648 is a deficient number, since it is larger than the sum of its proper divisors (953036582).

1089184648 is a wasteful number, since it uses less digits than its factorization.

1089184648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136148087 (or 136148083 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 49.

The square root of 1089184648 is about 33002.7975783872. The cubic root of 1089184648 is about 1028.8857929683.

The spelling of 1089184648 in words is "one billion, eighty-nine million, one hundred eighty-four thousand, six hundred forty-eight".