18480016642 has 8 divisors (see below), whose sum is σ = 27729756432. Its totient is φ = 9236764500.

The previous prime is 18480016571. The next prime is 18480016661. The reversal of 18480016642 is 24661008481.

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

It is a super-3 number, since 3×18480016642³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 18480016595 and 18480016604.

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 3 ways as a sum of consecutive naturals, for example, 1614784 + ... + 1626187.

It is an arithmetic number, because the mean of its divisors is an integer number (3466219554).

Almost surely, 2^18480016642 is an apocalyptic number.

18480016642 is a deficient number, since it is larger than the sum of its proper divisors (9249739790).

18480016642 is a wasteful number, since it uses less digits than its factorization.

18480016642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243824.

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 18480016642 in words is "eighteen billion, four hundred eighty million, sixteen thousand, six hundred forty-two".