80116781806316 has 24 divisors (see below), whose sum is σ = 142880528568960. Its totient is φ = 39294099516672.

The previous prime is 80116781806291. The next prime is 80116781806349. The reversal of 80116781806316 is 61360818761108.

It is a happy number.

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, 39748301 + ... + 41715236.

It is an arithmetic number, because the mean of its divisors is an integer number (5953355357040).

Almost surely, 2^{80116781806316} is an apocalyptic number.

It is an amenable number.

80116781806316 is a deficient number, since it is larger than the sum of its proper divisors (62763746762644).

80116781806316 is a wasteful number, since it uses less digits than its factorization.

80116781806316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81468233 (or 81468231 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 56.

The spelling of 80116781806316 in words is "eighty trillion, one hundred sixteen billion, seven hundred eighty-one million, eight hundred six thousand, three hundred sixteen".