80616045040704 has 672 divisors, whose sum is σ = 256579934083200. Its totient is φ = 24809098936320.

The previous prime is 80616045040703. The next prime is 80616045040711. The reversal of 80616045040704 is 40704054061608.

80616045040704 is a `hidden beast` number, since 80 + 6 + 1 + 60 + 4 + 504 + 0 + 7 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 80616045040704.

It is not an unprimeable number, because it can be changed into a prime (80616045040703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11850069367 + ... + 11850076169.

It is an arithmetic number, because the mean of its divisors is an integer number (381815378100).

Almost surely, 2^{80616045040704} 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 80616045040704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128289967041600).

80616045040704 is an abundant number, since it is smaller than the sum of its proper divisors (175963889042496).

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

80616045040704 is a wasteful number, since it uses less digits than its factorization.

80616045040704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7308 (or 7275 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 80616045040704 in words is "eighty trillion, six hundred sixteen billion, forty-five million, forty thousand, seven hundred four".