1109165696 has 16 divisors (see below), whose sum is σ = 2209666290. Its totient is φ = 554582784.

The previous prime is 1109165689. The next prime is 1109165713. The reversal of 1109165696 is 6965619011.

It can be written as a sum of positive squares in only one way, i.e., 602015296 + 507150400 = 24536^2 + 22520^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4332551 + ... + 4332806.

Almost surely, 2^1109165696 is an apocalyptic number.

1109165696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1109165696 is a deficient number, since it is larger than the sum of its proper divisors (1100500594).

1109165696 is an frugal number, since it uses more digits than its factorization.

1109165696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8665371 (or 8665359 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 1109165696 is about 33304.1393223125. The cubic root of 1109165696 is about 1035.1393298080.

The spelling of 1109165696 in words is "one billion, one hundred nine million, one hundred sixty-five thousand, six hundred ninety-six".