20160726167856 has 320 divisors, whose sum is σ = 55141599283200. Its totient is φ = 6337864286208.

The previous prime is 20160726167837. The next prime is 20160726167867. The reversal of 20160726167856 is 65876162706102.

It is a junction number, because it is equal to n+sod(n) for n = 20160726167796 and 20160726167805.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9434124420 + ... + 9434126556.

It is an arithmetic number, because the mean of its divisors is an integer number (172317497760).

Almost surely, 2^{20160726167856} 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 20160726167856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27570799641600).

20160726167856 is an abundant number, since it is smaller than the sum of its proper divisors (34980873115344).

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

20160726167856 is a wasteful number, since it uses less digits than its factorization.

20160726167856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916 (or 2910 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 20160726167856 in words is "twenty trillion, one hundred sixty billion, seven hundred twenty-six million, one hundred sixty-seven thousand, eight hundred fifty-six".