16664253112 has 192 divisors, whose sum is σ = 37187942400. Its totient is φ = 6974922240.

The previous prime is 16664253101. The next prime is 16664253167. The reversal of 16664253112 is 21135246661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56874438 + ... + 56874730.

It is an arithmetic number, because the mean of its divisors is an integer number (193687200).

Almost surely, 2^16664253112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16664253112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18593971200).

16664253112 is an abundant number, since it is smaller than the sum of its proper divisors (20523689288).

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

16664253112 is a wasteful number, since it uses less digits than its factorization.

16664253112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 421 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

Adding to 16664253112 its reverse (21135246661), we get a palindrome (37799499773).

The spelling of 16664253112 in words is "sixteen billion, six hundred sixty-four million, two hundred fifty-three thousand, one hundred twelve".