80801340668 has 12 divisors (see below), whose sum is σ = 141431734752. Its totient is φ = 40392273600.

The previous prime is 80801340661. The next prime is 80801340671. The reversal of 80801340668 is 86604310808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80801340661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077508 + ... + 2116043.

It is an arithmetic number, because the mean of its divisors is an integer number (11785977896).

Almost surely, 2^80801340668 is an apocalyptic number.

It is an amenable number.

80801340668 is a deficient number, since it is larger than the sum of its proper divisors (60630394084).

80801340668 is a wasteful number, since it uses less digits than its factorization.

80801340668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198372 (or 4198370 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 80801340668 in words is "eighty billion, eight hundred one million, three hundred forty thousand, six hundred sixty-eight".