28164484608 has 160 divisors (see below), whose sum is σ = 80945881632. Its totient is φ = 8650752000.

The previous prime is 28164484573. The next prime is 28164484631. The reversal of 28164484608 is 80648446182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17591008 + ... + 17592608.

Almost surely, 2^28164484608 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 28164484608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40472940816).

28164484608 is an abundant number, since it is smaller than the sum of its proper divisors (52781397024).

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

28164484608 is a wasteful number, since it uses less digits than its factorization.

28164484608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 51.

The spelling of 28164484608 in words is "twenty-eight billion, one hundred sixty-four million, four hundred eighty-four thousand, six hundred eight".