16218626416 has 20 divisors (see below), whose sum is σ = 33272035632. Its totient is φ = 7632294656.

The previous prime is 16218626401. The next prime is 16218626453. The reversal of 16218626416 is 61462681261.

16218626416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29813380 + ... + 29813923.

Almost surely, 2^16218626416 is an apocalyptic number.

16218626416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16218626416 is an abundant number, since it is smaller than the sum of its proper divisors (17053409216).

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

16218626416 is a wasteful number, since it uses less digits than its factorization.

16218626416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59627328 (or 59627322 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The spelling of 16218626416 in words is "sixteen billion, two hundred eighteen million, six hundred twenty-six thousand, four hundred sixteen".