16855883996 has 48 divisors (see below), whose sum is σ = 35754812352. Its totient is φ = 6787584000.

The previous prime is 16855883981. The next prime is 16855883999. The reversal of 16855883996 is 69938855861.

16855883996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16855883999) 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 15 ways as a sum of consecutive naturals, for example, 256616 + ... + 315536.

It is an arithmetic number, because the mean of its divisors is an integer number (744891924).

Almost surely, 2^16855883996 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 16855883996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17877406176).

16855883996 is an abundant number, since it is smaller than the sum of its proper divisors (18898928356).

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

16855883996 is a wasteful number, since it uses less digits than its factorization.

16855883996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59550 (or 59548 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 68.

The spelling of 16855883996 in words is "sixteen billion, eight hundred fifty-five million, eight hundred eighty-three thousand, nine hundred ninety-six".