80655222528 has 216 divisors, whose sum is σ = 253858259200. Its totient is φ = 25469697024.

The previous prime is 80655222491. The next prime is 80655222533. The reversal of 80655222528 is 82522255608.

80655222528 is a `hidden beast` number, since 80 + 6 + 5 + 522 + 25 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1147833 + ... + 1216071.

Almost surely, 2^80655222528 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 80655222528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126929129600).

80655222528 is an abundant number, since it is smaller than the sum of its proper divisors (173203036672).

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

80655222528 is an equidigital number, since it uses as much as digits as its factorization.

80655222528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68289 (or 68263 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The spelling of 80655222528 in words is "eighty billion, six hundred fifty-five million, two hundred twenty-two thousand, five hundred twenty-eight".