18101441144 has 16 divisors (see below), whose sum is σ = 33951739920. Its totient is φ = 9047643840.

The previous prime is 18101441123. The next prime is 18101441159. The reversal of 18101441144 is 44114410181.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359492 + ... + 406739.

It is an arithmetic number, because the mean of its divisors is an integer number (2121983745).

Almost surely, 2^18101441144 is an apocalyptic number.

It is an amenable number.

18101441144 is a deficient number, since it is larger than the sum of its proper divisors (15850298776).

18101441144 is a wasteful number, since it uses less digits than its factorization.

18101441144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769190 (or 769186 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The spelling of 18101441144 in words is "eighteen billion, one hundred one million, four hundred forty-one thousand, one hundred forty-four".