80644066080 has 48 divisors (see below), whose sum is σ = 254028809664. Its totient is φ = 21505084160.

The previous prime is 80644066073. The next prime is 80644066091. The reversal of 80644066080 is 8066044608.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84003756 + ... + 84004715.

It is an arithmetic number, because the mean of its divisors is an integer number (5292266868).

Almost surely, 2^80644066080 is an apocalyptic number.

80644066080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80644066080 is an abundant number, since it is smaller than the sum of its proper divisors (173384743584).

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

80644066080 is a wasteful number, since it uses less digits than its factorization.

80644066080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168008489 (or 168008481 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 80644066080 in words is "eighty billion, six hundred forty-four million, sixty-six thousand, eighty".