18416386742 has 8 divisors (see below), whose sum is σ = 29749547856. Its totient is φ = 8499870792.

The previous prime is 18416386711. The next prime is 18416386757. The reversal of 18416386742 is 24768361481.

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

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, 354161258 + ... + 354161309.

It is an arithmetic number, because the mean of its divisors is an integer number (3718693482).

Almost surely, 2^18416386742 is an apocalyptic number.

18416386742 is a deficient number, since it is larger than the sum of its proper divisors (11333161114).

18416386742 is a wasteful number, since it uses less digits than its factorization.

18416386742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708322582.

The product of its digits is 1548288, while the sum is 50.

The spelling of 18416386742 in words is "eighteen billion, four hundred sixteen million, three hundred eighty-six thousand, seven hundred forty-two".