80659453056 has 256 divisors, whose sum is σ = 265055535360. Its totient is φ = 21163032576.

The previous prime is 80659453051. The next prime is 80659453067. The reversal of 80659453056 is 65035495608.

It is not an unprimeable number, because it can be changed into a prime (80659453051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6878110 + ... + 6889826.

It is an arithmetic number, because the mean of its divisors is an integer number (1035373185).

Almost surely, 2^80659453056 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 80659453056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132527767680).

80659453056 is an abundant number, since it is smaller than the sum of its proper divisors (184396082304).

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

80659453056 is a wasteful number, since it uses less digits than its factorization.

80659453056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11951 (or 11939 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 80659453056 in words is "eighty billion, six hundred fifty-nine million, four hundred fifty-three thousand, fifty-six".