16899195852 has 216 divisors, whose sum is σ = 54325816272. Its totient is φ = 4379961600.

The previous prime is 16899195829. The next prime is 16899195877. The reversal of 16899195852 is 25859199861.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 16899195852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16551102 + ... + 16552122.

Almost surely, 2^16899195852 is an apocalyptic number.

16899195852 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 16899195852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27162908136).

16899195852 is an abundant number, since it is smaller than the sum of its proper divisors (37426620420).

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

16899195852 is a wasteful number, since it uses less digits than its factorization.

16899195852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909 (or 1897 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 63.

The spelling of 16899195852 in words is "sixteen billion, eight hundred ninety-nine million, one hundred ninety-five thousand, eight hundred fifty-two".