16143551216 has 40 divisors (see below), whose sum is σ = 33723726960. Its totient is φ = 7442113536.

The previous prime is 16143551209. The next prime is 16143551239. The reversal of 16143551216 is 61215534161.

It is a super-3 number, since 3×16143551216³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133496 + ... + 223848.

It is an arithmetic number, because the mean of its divisors is an integer number (843093174).

Almost surely, 2^16143551216 is an apocalyptic number.

16143551216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16143551216 is an abundant number, since it is smaller than the sum of its proper divisors (17580175744).

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

16143551216 is a wasteful number, since it uses less digits than its factorization.

16143551216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91233 (or 91227 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The spelling of 16143551216 in words is "sixteen billion, one hundred forty-three million, five hundred fifty-one thousand, two hundred sixteen".