18061794986 has 8 divisors (see below), whose sum is σ = 27093269280. Its totient is φ = 9030705228.

The previous prime is 18061794967. The next prime is 18061795007. The reversal of 18061794986 is 68949716081.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107915 + ... + 218561.

It is an arithmetic number, because the mean of its divisors is an integer number (3386658660).

Almost surely, 2^18061794986 is an apocalyptic number.

18061794986 is a deficient number, since it is larger than the sum of its proper divisors (9031474294).

18061794986 is a wasteful number, since it uses less digits than its factorization.

18061794986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192268.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 18061794986 in words is "eighteen billion, sixty-one million, seven hundred ninety-four thousand, nine hundred eighty-six".