16211216214 has 48 divisors (see below), whose sum is σ = 37418472000. Its totient is φ = 5057643888.

The previous prime is 16211216213. The next prime is 16211216221. The reversal of 16211216214 is 41261211261.

16211216214 is a `hidden beast` number, since 1 + 6 + 2 + 11 + 21 + 621 + 4 = 666.

16211216214 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-2 number, since 2×16211216214² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16211216213) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 257164 + ... + 313935.

It is an arithmetic number, because the mean of its divisors is an integer number (779551500).

Almost surely, 2^16211216214 is an apocalyptic number.

16211216214 is an abundant number, since it is smaller than the sum of its proper divisors (21207255786).

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

16211216214 is a wasteful number, since it uses less digits than its factorization.

16211216214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571209 (or 571206 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

Adding to 16211216214 its reverse (41261211261), we get a palindrome (57472427475).

The spelling of 16211216214 in words is "sixteen billion, two hundred eleven million, two hundred sixteen thousand, two hundred fourteen".