16373618362818 has 56 divisors (see below), whose sum is σ = 37447928362800. Its totient is φ = 5365366440984.

The previous prime is 16373618362817. The next prime is 16373618362847. The reversal of 16373618362818 is 81826381637361.

It is a happy number.

16373618362818 is a `hidden beast` number, since 1 + 6 + 3 + 7 + 3 + 618 + 3 + 6 + 2 + 8 + 1 + 8 = 666.

16373618362818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×16373618362818⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (16373618362817) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 95085088 + ... + 95257131.

Almost surely, 2^{16373618362818} is an apocalyptic number.

16373618362818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16373618362818 is an abundant number, since it is smaller than the sum of its proper divisors (21074309999982).

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

16373618362818 is an equidigital number, since it uses as much as digits as its factorization.

16373618362818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190342298 (or 190342283 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 16373618362818 in words is "sixteen trillion, three hundred seventy-three billion, six hundred eighteen million, three hundred sixty-two thousand, eight hundred eighteen".