28160765676 has 144 divisors (see below), whose sum is σ = 78563616768. Its totient is φ = 8466163200.

The previous prime is 28160765671. The next prime is 28160765753. The reversal of 28160765676 is 67656706182.

28160765676 is a `hidden beast` number, since 2 + 8 + 1 + 6 + 0 + 76 + 567 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (28160765671) 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, 1946911 + ... + 1961321.

It is an arithmetic number, because the mean of its divisors is an integer number (545580672).

Almost surely, 2^28160765676 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 28160765676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39281808384).

28160765676 is an abundant number, since it is smaller than the sum of its proper divisors (50402851092).

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

28160765676 is a wasteful number, since it uses less digits than its factorization.

28160765676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14572 (or 14567 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 28160765676 in words is "twenty-eight billion, one hundred sixty million, seven hundred sixty-five thousand, six hundred seventy-six".