110668989 has 4 divisors (see below), whose sum is σ = 147558656. Its totient is φ = 73779324.

The previous prime is 110668981. The next prime is 110668993. The reversal of 110668989 is 989866011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 110668989 - 2³ = 110668981 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 (110668981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18444829 + ... + 18444834.

It is an arithmetic number, because the mean of its divisors is an integer number (36889664).

Almost surely, 2^110668989 is an apocalyptic number.

It is an amenable number.

110668989 is a deficient number, since it is larger than the sum of its proper divisors (36889667).

110668989 is an equidigital number, since it uses as much as digits as its factorization.

110668989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36889666.

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 110668989 is about 10519.9329370486. The cubic root of 110668989 is about 480.1113587117. Note that the first 3 decimals are identical.

The spelling of 110668989 in words is "one hundred ten million, six hundred sixty-eight thousand, nine hundred eighty-nine".