18069478368 has 48 divisors (see below), whose sum is σ = 47630903040. Its totient is φ = 5997950336.

The previous prime is 18069478367. The next prime is 18069478429. The reversal of 18069478368 is 86387496081.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18069478367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370830 + ... + 416717.

It is an arithmetic number, because the mean of its divisors is an integer number (992310480).

Almost surely, 2^18069478368 is an apocalyptic number.

It is an amenable number.

18069478368 is an abundant number, since it is smaller than the sum of its proper divisors (29561424672).

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

18069478368 is a wasteful number, since it uses less digits than its factorization.

18069478368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787799 (or 787791 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 18069478368 in words is "eighteen billion, sixty-nine million, four hundred seventy-eight thousand, three hundred sixty-eight".