80814066680 has 16 divisors (see below), whose sum is σ = 181831650120. Its totient is φ = 32325626656.

The previous prime is 80814066673. The next prime is 80814066703. The reversal of 80814066680 is 8666041808.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1010175794 + ... + 1010175873.

Almost surely, 2^80814066680 is an apocalyptic number.

It is an amenable number.

80814066680 is an abundant number, since it is smaller than the sum of its proper divisors (101017583440).

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

80814066680 is a wasteful number, since it uses less digits than its factorization.

80814066680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020351678 (or 2020351674 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 80814066680 in words is "eighty billion, eight hundred fourteen million, sixty-six thousand, six hundred eighty".