18678829336 has 16 divisors (see below), whose sum is σ = 35198802000. Its totient is φ = 9292482144.

The previous prime is 18678829333. The next prime is 18678829357. The reversal of 18678829336 is 63392887681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18678829333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5864875 + ... + 5868058.

It is an arithmetic number, because the mean of its divisors is an integer number (2199925125).

Almost surely, 2^18678829336 is an apocalyptic number.

It is an amenable number.

18678829336 is a deficient number, since it is larger than the sum of its proper divisors (16519972664).

18678829336 is a wasteful number, since it uses less digits than its factorization.

18678829336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11733138 (or 11733134 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 61.

The spelling of 18678829336 in words is "eighteen billion, six hundred seventy-eight million, eight hundred twenty-nine thousand, three hundred thirty-six".