1103664309 has 16 divisors (see below), whose sum is σ = 1616885760. Its totient is φ = 664072560.

The previous prime is 1103664299. The next prime is 1103664323. The reversal of 1103664309 is 9034663011.

It is not a de Polignac number, because 1103664309 - 2⁷ = 1103664181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 1103664309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103664409) 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 15 ways as a sum of consecutive naturals, for example, 115717 + ... + 124890.

It is an arithmetic number, because the mean of its divisors is an integer number (101055360).

Almost surely, 2^1103664309 is an apocalyptic number.

It is an amenable number.

1103664309 is a deficient number, since it is larger than the sum of its proper divisors (513221451).

1103664309 is a wasteful number, since it uses less digits than its factorization.

1103664309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240760.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 1103664309 is about 33221.4435116838. The cubic root of 1103664309 is about 1033.4250854244.

The spelling of 1103664309 in words is "one billion, one hundred three million, six hundred sixty-four thousand, three hundred nine".