1096891488 has 144 divisors (see below), whose sum is σ = 3889057536. Its totient is φ = 284901120.

The previous prime is 1096891487. The next prime is 1096891511. The reversal of 1096891488 is 8841986901.

1096891488 is a `hidden beast` number, since 10 + 9 + 68 + 91 + 488 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1096891483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2556 + ... + 46907.

It is an arithmetic number, because the mean of its divisors is an integer number (27007344).

Almost surely, 2^1096891488 is an apocalyptic number.

1096891488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1096891488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1944528768).

1096891488 is an abundant number, since it is smaller than the sum of its proper divisors (2792166048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1096891488 is a wasteful number, since it uses less digits than its factorization.

1096891488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49497 (or 49486 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 54.

The square root of 1096891488 is about 33119.3521675772. The cubic root of 1096891488 is about 1031.3068177180.

The spelling of 1096891488 in words is "one billion, ninety-six million, eight hundred ninety-one thousand, four hundred eighty-eight".