28160502672 has 80 divisors (see below), whose sum is σ = 75363033600. Its totient is φ = 9051571200.

The previous prime is 28160502649. The next prime is 28160502677. The reversal of 28160502672 is 27620506182.

It is a self number, because there is not a number n which added to its sum of digits gives 28160502672.

It is not an unprimeable number, because it can be changed into a prime (28160502677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384454 + ... + 451802.

It is an arithmetic number, because the mean of its divisors is an integer number (942037920).

Almost surely, 2^28160502672 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 28160502672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37681516800).

28160502672 is an abundant number, since it is smaller than the sum of its proper divisors (47202530928).

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

28160502672 is a wasteful number, since it uses less digits than its factorization.

28160502672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67672 (or 67666 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 28160502672 in words is "twenty-eight billion, one hundred sixty million, five hundred two thousand, six hundred seventy-two".