28993554016 has 288 divisors, whose sum is σ = 72102223872. Its totient is φ = 11451041280.

The previous prime is 28993554011. The next prime is 28993554049. The reversal of 28993554016 is 61045539982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28993554011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 616884105 + ... + 616884151.

It is an arithmetic number, because the mean of its divisors is an integer number (250354944).

Almost surely, 2^28993554016 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 28993554016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36051111936).

28993554016 is an abundant number, since it is smaller than the sum of its proper divisors (43108669856).

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

28993554016 is an frugal number, since it uses more digits than its factorization.

28993554016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 28993554016 in words is "twenty-eight billion, nine hundred ninety-three million, five hundred fifty-four thousand, sixteen".