16726225218 has 8 divisors (see below), whose sum is σ = 33452450448. Its totient is φ = 5575408404.

The previous prime is 16726225199. The next prime is 16726225261. The reversal of 16726225218 is 81252262761.

It is a sphenic number, since it is the product of 3 distinct primes.

16726225218 is an admirable number.

It is a super-3 number, since 3×16726225218³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 16726225218.

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 3 ways as a sum of consecutive naturals, for example, 1393852096 + ... + 1393852107.

It is an arithmetic number, because the mean of its divisors is an integer number (4181556306).

Almost surely, 2^16726225218 is an apocalyptic number.

16726225218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16726225218 is a wasteful number, since it uses less digits than its factorization.

16726225218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787704208.

The product of its digits is 161280, while the sum is 42.

Adding to 16726225218 its reverse (81252262761), we get a palindrome (97978487979).

The spelling of 16726225218 in words is "sixteen billion, seven hundred twenty-six million, two hundred twenty-five thousand, two hundred eighteen".