13915016818 has 16 divisors (see below), whose sum is σ = 21011296320. Its totient is φ = 6911306416.

The previous prime is 13915016809. The next prime is 13915016821. The reversal of 13915016818 is 81861051931.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 527880 + ... + 553612.

It is an arithmetic number, because the mean of its divisors is an integer number (1313206020).

Almost surely, 2^13915016818 is an apocalyptic number.

13915016818 is a deficient number, since it is larger than the sum of its proper divisors (7096279502).

13915016818 is a wasteful number, since it uses less digits than its factorization.

13915016818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27521.

The product of its (nonzero) digits is 51840, while the sum is 43.

The spelling of 13915016818 in words is "thirteen billion, nine hundred fifteen million, sixteen thousand, eight hundred eighteen".