18286684343686 has 8 divisors (see below), whose sum is σ = 29923665289704. Its totient is φ = 8312129247120.

The previous prime is 18286684343591. The next prime is 18286684343779. The reversal of 18286684343686 is 68634348668281.

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

It is a super-2 number, since 2×18286684343686² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415606462335 + ... + 415606462378.

It is an arithmetic number, because the mean of its divisors is an integer number (3740458161213).

Almost surely, 2^{18286684343686} is an apocalyptic number.

18286684343686 is a deficient number, since it is larger than the sum of its proper divisors (11636980946018).

18286684343686 is a wasteful number, since it uses less digits than its factorization.

18286684343686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831212924726.

The product of its digits is 1528823808, while the sum is 73.

The spelling of 18286684343686 in words is "eighteen trillion, two hundred eighty-six billion, six hundred eighty-four million, three hundred forty-three thousand, six hundred eighty-six".