1103668109 has 8 divisors (see below), whose sum is σ = 1146632760. Its totient is φ = 1061030656.

The previous prime is 1103668103. The next prime is 1103668121. The reversal of 1103668109 is 9018663011.

It can be written as a sum of positive squares in 4 ways, for example, as 363664900 + 740003209 = 19070^2 + 27203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1103668109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103668103) 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 7 ways as a sum of consecutive naturals, for example, 74912 + ... + 88425.

It is an arithmetic number, because the mean of its divisors is an integer number (143329095).

Almost surely, 2^1103668109 is an apocalyptic number.

It is an amenable number.

1103668109 is a deficient number, since it is larger than the sum of its proper divisors (42964651).

1103668109 is a wasteful number, since it uses less digits than its factorization.

1103668109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163599.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1103668109 is about 33221.5007036106. The cubic root of 1103668109 is about 1033.4262714767.

The spelling of 1103668109 in words is "one billion, one hundred three million, six hundred sixty-eight thousand, one hundred nine".