16716144432 has 80 divisors (see below), whose sum is σ = 46565630720. Its totient is φ = 5136742656.

The previous prime is 16716144427. The next prime is 16716144433. The reversal of 16716144432 is 23444161761.

16716144432 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 (39).

It is not an unprimeable number, because it can be changed into a prime (16716144433) 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, 474069 + ... + 508107.

It is an arithmetic number, because the mean of its divisors is an integer number (582070384).

Almost surely, 2^16716144432 is an apocalyptic number.

16716144432 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 16716144432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23282815360).

16716144432 is an abundant number, since it is smaller than the sum of its proper divisors (29849486288).

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

16716144432 is a wasteful number, since it uses less digits than its factorization.

16716144432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34850 (or 34844 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The spelling of 16716144432 in words is "sixteen billion, seven hundred sixteen million, one hundred forty-four thousand, four hundred thirty-two".