16464440214 has 64 divisors (see below), whose sum is σ = 37131476160. Its totient is φ = 5474498400.

The previous prime is 16464440207. The next prime is 16464440219. The reversal of 16464440214 is 41204446461.

16464440214 is a `hidden beast` number, since 1 + 6 + 4 + 644 + 4 + 0 + 2 + 1 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16464440219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1836984 + ... + 1845924.

It is an arithmetic number, because the mean of its divisors is an integer number (580179315).

Almost surely, 2^16464440214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16464440214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18565738080).

16464440214 is an abundant number, since it is smaller than the sum of its proper divisors (20667035946).

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

16464440214 is an frugal number, since it uses more digits than its factorization.

16464440214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9385 (or 9367 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 16464440214 its reverse (41204446461), we get a palindrome (57668886675).

The spelling of 16464440214 in words is "sixteen billion, four hundred sixty-four million, four hundred forty thousand, two hundred fourteen".