13818945016 has 8 divisors (see below), whose sum is σ = 25910521920. Its totient is φ = 6909472504.

The previous prime is 13818945001. The next prime is 13818945073. The reversal of 13818945016 is 61054981831.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 863684056 + ... + 863684071.

It is an arithmetic number, because the mean of its divisors is an integer number (3238815240).

Almost surely, 2^13818945016 is an apocalyptic number.

It is an amenable number.

13818945016 is a deficient number, since it is larger than the sum of its proper divisors (12091576904).

13818945016 is a wasteful number, since it uses less digits than its factorization.

13818945016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727368133 (or 1727368129 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 13818945016 in words is "thirteen billion, eight hundred eighteen million, nine hundred forty-five thousand, sixteen".