16298549665440 has 288 divisors, whose sum is σ = 59736309131520. Its totient is φ = 3724524066816.

The previous prime is 16298549665439. The next prime is 16298549665457. The reversal of 16298549665440 is 4456694589261.

16298549665440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104892126 + ... + 105047394.

It is an arithmetic number, because the mean of its divisors is an integer number (207417740040).

Almost surely, 2^{16298549665440} is an apocalyptic number.

16298549665440 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 16298549665440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29868154565760).

16298549665440 is an abundant number, since it is smaller than the sum of its proper divisors (43437759466080).

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

16298549665440 is a wasteful number, since it uses less digits than its factorization.

16298549665440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159764 (or 159749 counting only the distinct ones).

The product of its (nonzero) digits is 447897600, while the sum is 69.

The spelling of 16298549665440 in words is "sixteen trillion, two hundred ninety-eight billion, five hundred forty-nine million, six hundred sixty-five thousand, four hundred forty".