18208464359682 has 8 divisors (see below), whose sum is σ = 36416928719376. Its totient is φ = 6069488119892.

The previous prime is 18208464359681. The next prime is 18208464359717. The reversal of 18208464359682 is 28695346480281.

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

18208464359682 is an admirable number.

It is a super-4 number, since 4×18208464359682⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (18208464359681) by changing a digit.

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, 1517372029968 + ... + 1517372029979.

It is an arithmetic number, because the mean of its divisors is an integer number (4552116089922).

Almost surely, 2^{18208464359682} is an apocalyptic number.

18208464359682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18208464359682 is a wasteful number, since it uses less digits than its factorization.

18208464359682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034744059952.

The product of its (nonzero) digits is 159252480, while the sum is 66.

The spelling of 18208464359682 in words is "eighteen trillion, two hundred eight billion, four hundred sixty-four million, three hundred fifty-nine thousand, six hundred eighty-two".