1099816704 has 180 divisors, whose sum is σ = 3748442544. Its totient is φ = 314191872.

The previous prime is 1099816703. The next prime is 1099816709. The reversal of 1099816704 is 4076189901.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1099816704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099816703) by changing a digit.

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 in 19 ways as a sum of consecutive naturals, for example, 141364 + ... + 148940.

Almost surely, 2^1099816704 is an apocalyptic number.

1099816704 is a gapful number since it is divisible by the number (14) 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 1099816704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1874221272).

1099816704 is an abundant number, since it is smaller than the sum of its proper divisors (2648625840).

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

1099816704 is an frugal number, since it uses more digits than its factorization.

1099816704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7612 (or 7589 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 1099816704 is about 33163.4844972599. The cubic root of 1099816704 is about 1032.2227750543. Note that the first 3 decimals are identical.

The spelling of 1099816704 in words is "one billion, ninety-nine million, eight hundred sixteen thousand, seven hundred four".