18303628144 has 10 divisors (see below), whose sum is σ = 35463279560. Its totient is φ = 9151814064.

The previous prime is 18303628099. The next prime is 18303628163. The reversal of 18303628144 is 44182630381.

It is a junction number, because it is equal to n+sod(n) for n = 18303628097 and 18303628106.

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 as a sum of consecutive naturals, namely, 571988364 + ... + 571988395.

It is an arithmetic number, because the mean of its divisors is an integer number (3546327956).

Almost surely, 2^18303628144 is an apocalyptic number.

It is an amenable number.

18303628144 is a deficient number, since it is larger than the sum of its proper divisors (17159651416).

18303628144 is a wasteful number, since it uses less digits than its factorization.

18303628144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143976767 (or 1143976761 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 18303628144 in words is "eighteen billion, three hundred three million, six hundred twenty-eight thousand, one hundred forty-four".