28010389316616 has 768 divisors, whose sum is σ = 94323220992000. Its totient is φ = 7331389470720.

The previous prime is 28010389316599. The next prime is 28010389316647. The reversal of 28010389316616 is 61661398301082.

28010389316616 is a `hidden beast` number, since 2 + 8 + 0 + 1 + 0 + 3 + 8 + 9 + 3 + 16 + 616 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 19601391390 + ... + 19601392818.

It is an arithmetic number, because the mean of its divisors is an integer number (122816694000).

Almost surely, 2^{28010389316616} 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 28010389316616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47161610496000).

28010389316616 is an abundant number, since it is smaller than the sum of its proper divisors (66312831675384).

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

28010389316616 is a wasteful number, since it uses less digits than its factorization.

28010389316616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 28010389316616 in words is "twenty-eight trillion, ten billion, three hundred eighty-nine million, three hundred sixteen thousand, six hundred sixteen".