16002189756 has 144 divisors (see below), whose sum is σ = 47033226240. Its totient is φ = 4493024640.

The previous prime is 16002189689. The next prime is 16002189757. The reversal of 16002189756 is 65798120061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16002189757) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 4517346 + ... + 4520886.

Almost surely, 2^16002189756 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 16002189756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23516613120).

16002189756 is an abundant number, since it is smaller than the sum of its proper divisors (31031036484).

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

16002189756 is a wasteful number, since it uses less digits than its factorization.

16002189756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864 (or 3859 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 16002189756 in words is "sixteen billion, two million, one hundred eighty-nine thousand, seven hundred fifty-six".