109983665 has 8 divisors (see below), whose sum is σ = 143978688. Its totient is φ = 79988080.

The previous prime is 109983617. The next prime is 109983673. The reversal of 109983665 is 566389901.

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

It is not a de Polignac number, because 109983665 - 2⁸ = 109983409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999797 + ... + 999906.

It is an arithmetic number, because the mean of its divisors is an integer number (17997336).

Almost surely, 2^109983665 is an apocalyptic number.

It is an amenable number.

109983665 is a deficient number, since it is larger than the sum of its proper divisors (33995023).

109983665 is a wasteful number, since it uses less digits than its factorization.

109983665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999719.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 109983665 is about 10487.3097122189. The cubic root of 109983665 is about 479.1182670039.

It can be divided in two parts, 1099836 and 65, that added together give a palindrome (1099901).

The spelling of 109983665 in words is "one hundred nine million, nine hundred eighty-three thousand, six hundred sixty-five".