18017600738 has 16 divisors (see below), whose sum is σ = 27443086944. Its totient is φ = 8870035680.

The previous prime is 18017600719. The next prime is 18017600749. The reversal of 18017600738 is 83700671081.

It is a junction number, because it is equal to n+sod(n) for n = 18017600695 and 18017600704.

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 7 ways as a sum of consecutive naturals, for example, 254006 + ... + 317102.

It is an arithmetic number, because the mean of its divisors is an integer number (1715192934).

Almost surely, 2^18017600738 is an apocalyptic number.

18017600738 is a deficient number, since it is larger than the sum of its proper divisors (9425486206).

18017600738 is a wasteful number, since it uses less digits than its factorization.

18017600738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65297.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 18017600738 in words is "eighteen billion, seventeen million, six hundred thousand, seven hundred thirty-eight".