16853838432 has 144 divisors (see below), whose sum is σ = 48685412160. Its totient is φ = 5090570496.

The previous prime is 16853838431. The next prime is 16853838457. The reversal of 16853838432 is 23483835861.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16853838431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 956163 + ... + 973629.

It is an arithmetic number, because the mean of its divisors is an integer number (338093140).

Almost surely, 2^16853838432 is an apocalyptic number.

16853838432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16853838432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24342706080).

16853838432 is an abundant number, since it is smaller than the sum of its proper divisors (31831573728).

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

16853838432 is a wasteful number, since it uses less digits than its factorization.

16853838432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17545 (or 17514 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The spelling of 16853838432 in words is "sixteen billion, eight hundred fifty-three million, eight hundred thirty-eight thousand, four hundred thirty-two".