18298858064 has 20 divisors (see below), whose sum is σ = 36597717120. Its totient is φ = 8854285920.

The previous prime is 18298858057. The next prime is 18298858073. The reversal of 18298858064 is 46085889281.

18298858064 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 18298857994 and 18298858012.

It is a congruent number.

It is an unprimeable number.

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, 18445934 + ... + 18446925.

It is an arithmetic number, because the mean of its divisors is an integer number (1829885856).

Almost surely, 2^18298858064 is an apocalyptic number.

It is an amenable number.

18298858064 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.

18298858064 is a wasteful number, since it uses less digits than its factorization.

18298858064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36892898 (or 36892892 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 59.

The spelling of 18298858064 in words is "eighteen billion, two hundred ninety-eight million, eight hundred fifty-eight thousand, sixty-four".