80160400820256 has 96 divisors (see below), whose sum is σ = 231126098595840. Its totient is φ = 24213210303744.

The previous prime is 80160400820239. The next prime is 80160400820257. The reversal of 80160400820256 is 65202800406108.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (80160400820257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955340400 + ... + 955424303.

It is an arithmetic number, because the mean of its divisors is an integer number (2407563527040).

Almost surely, 2^{80160400820256} is an apocalyptic number.

It is an amenable number.

80160400820256 is an abundant number, since it is smaller than the sum of its proper divisors (150965697775584).

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

80160400820256 is a wasteful number, since it uses less digits than its factorization.

80160400820256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910764758 (or 1910764750 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 80160400820256 in words is "eighty trillion, one hundred sixty billion, four hundred million, eight hundred twenty thousand, two hundred fifty-six".