16306549384128 has 112 divisors (see below), whose sum is σ = 43377012641280. Its totient is φ = 5406260880384.

The previous prime is 16306549384067. The next prime is 16306549384129. The reversal of 16306549384128 is 82148394560361.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16306549384129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43031901 + ... + 43409187.

Almost surely, 2^{16306549384128} 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 16306549384128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21688506320640).

16306549384128 is an abundant number, since it is smaller than the sum of its proper divisors (27070463257152).

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

16306549384128 is a wasteful number, since it uses less digits than its factorization.

16306549384128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378514 (or 378504 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 60.

The spelling of 16306549384128 in words is "sixteen trillion, three hundred six billion, five hundred forty-nine million, three hundred eighty-four thousand, one hundred twenty-eight".