13667760018 has 56 divisors (see below), whose sum is σ = 33532837776. Its totient is φ = 4141740600.

The previous prime is 13667759983. The next prime is 13667760019. The reversal of 13667760018 is 81006776631.

13667760018 is a `hidden beast` number, since 1 + 36 + 6 + 7 + 7 + 600 + 1 + 8 = 666.

13667760018 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13667760019) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 410068 + ... + 442143.

Almost surely, 2^13667760018 is an apocalyptic number.

13667760018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13667760018 is an abundant number, since it is smaller than the sum of its proper divisors (19865077758).

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

13667760018 is an equidigital number, since it uses as much as digits as its factorization.

13667760018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852242 (or 852227 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 13667760018 in words is "thirteen billion, six hundred sixty-seven million, seven hundred sixty thousand, eighteen".