18458068658 has 16 divisors (see below), whose sum is σ = 28233956160. Its totient is φ = 9048202800.

The previous prime is 18458068613. The next prime is 18458068663. The reversal of 18458068658 is 85686085481.

It is a junction number, because it is equal to n+sod(n) for n = 18458068597 and 18458068606.

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, 337673 + ... + 388508.

It is an arithmetic number, because the mean of its divisors is an integer number (1764622260).

Almost surely, 2^18458068658 is an apocalyptic number.

18458068658 is a deficient number, since it is larger than the sum of its proper divisors (9775887502).

18458068658 is a wasteful number, since it uses less digits than its factorization.

18458068658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726433.

The product of its (nonzero) digits is 14745600, while the sum is 59.

The spelling of 18458068658 in words is "eighteen billion, four hundred fifty-eight million, sixty-eight thousand, six hundred fifty-eight".