80355530218 has 16 divisors (see below), whose sum is σ = 124429365504. Its totient is φ = 38879239680.

The previous prime is 80355530161. The next prime is 80355530263. The reversal of 80355530218 is 81203555308.

It is a happy number.

It is a super-2 number, since 2×80355530218² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1285546 + ... + 1346602.

It is an arithmetic number, because the mean of its divisors is an integer number (7776835344).

Almost surely, 2^80355530218 is an apocalyptic number.

80355530218 is a deficient number, since it is larger than the sum of its proper divisors (44073835286).

80355530218 is a wasteful number, since it uses less digits than its factorization.

80355530218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82317.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 80355530218 in words is "eighty billion, three hundred fifty-five million, five hundred thirty thousand, two hundred eighteen".