28026586168 has 64 divisors (see below), whose sum is σ = 61399296000. Its totient is φ = 11743468800.

The previous prime is 28026586157. The next prime is 28026586183. The reversal of 28026586168 is 86168562082.

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, 2755893 + ... + 2766043.

It is an arithmetic number, because the mean of its divisors is an integer number (959364000).

Almost surely, 2^28026586168 is an apocalyptic number.

28026586168 is a gapful number since it is divisible by the number (28) 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 28026586168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30699648000).

28026586168 is an abundant number, since it is smaller than the sum of its proper divisors (33372709832).

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

28026586168 is a wasteful number, since it uses less digits than its factorization.

28026586168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11260 (or 11256 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 28026586168 in words is "twenty-eight billion, twenty-six million, five hundred eighty-six thousand, one hundred sixty-eight".