80655216069600 has 864 divisors, whose sum is σ = 296072062675200. Its totient is φ = 21190551782400.

The previous prime is 80655216069569. The next prime is 80655216069707. The reversal of 80655216069600 is 696061255608.

80655216069600 is a `hidden beast` number, since 8 + 0 + 6 + 5 + 5 + 21 + 6 + 0 + 6 + 9 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 93894313971 + ... + 93894314829.

Almost surely, 2^{80655216069600} is an apocalyptic number.

80655216069600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80655216069600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148036031337600).

80655216069600 is an abundant number, since it is smaller than the sum of its proper divisors (215416846605600).

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

80655216069600 is a wasteful number, since it uses less digits than its factorization.

80655216069600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 80655216069600 in words is "eighty trillion, six hundred fifty-five billion, two hundred sixteen million, sixty-nine thousand, six hundred".