80166703104 has 312 divisors, whose sum is σ = 241861226880. Its totient is φ = 26531463168.

The previous prime is 80166703073. The next prime is 80166703109. The reversal of 80166703104 is 40130766108.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80166703109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237883224 + ... + 237883560.

It is an arithmetic number, because the mean of its divisors is an integer number (775196240).

Almost surely, 2^80166703104 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 80166703104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120930613440).

80166703104 is an abundant number, since it is smaller than the sum of its proper divisors (161694523776).

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

80166703104 is an equidigital number, since it uses as much as digits as its factorization.

80166703104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 80166703104 in words is "eighty billion, one hundred sixty-six million, seven hundred three thousand, one hundred four".