1108969668 has 72 divisors (see below), whose sum is σ = 2865844800. Its totient is φ = 361448256.

The previous prime is 1108969663. The next prime is 1108969703. The reversal of 1108969668 is 8669698011.

It is not an unprimeable number, because it can be changed into a prime (1108969663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 684163 + ... + 685781.

It is an arithmetic number, because the mean of its divisors is an integer number (39803400).

Almost surely, 2^1108969668 is an apocalyptic number.

1108969668 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 1108969668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432922400).

1108969668 is an abundant number, since it is smaller than the sum of its proper divisors (1756875132).

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

1108969668 is a wasteful number, since it uses less digits than its factorization.

1108969668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 1108969668 is about 33301.1961947315. The cubic root of 1108969668 is about 1035.0783445561.

The spelling of 1108969668 in words is "one billion, one hundred eight million, nine hundred sixty-nine thousand, six hundred sixty-eight".