16000099440 has 640 divisors, whose sum is σ = 60188147712. Its totient is φ = 3477012480.

The previous prime is 16000099421. The next prime is 16000099441. The reversal of 16000099440 is 4499000061.

16000099440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16000099441) 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 127 ways as a sum of consecutive naturals, for example, 60836749 + ... + 60837011.

Almost surely, 2^16000099440 is an apocalyptic number.

16000099440 is a gapful number since it is divisible by the number (10) 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 16000099440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30094073856).

16000099440 is an abundant number, since it is smaller than the sum of its proper divisors (44188048272).

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

16000099440 is a wasteful number, since it uses less digits than its factorization.

16000099440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 16000099440 in words is "sixteen billion, ninety-nine thousand, four hundred forty".