80116611266 has 8 divisors (see below), whose sum is σ = 123422887740. Its totient is φ = 38975648688.

The previous prime is 80116611251. The next prime is 80116611319. The reversal of 80116611266 is 66211661108.

It can be written as a sum of positive squares in 2 ways, for example, as 80029581025 + 87030241 = 282895^2 + 9329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 541328381 + ... + 541328528.

Almost surely, 2^80116611266 is an apocalyptic number.

80116611266 is a deficient number, since it is larger than the sum of its proper divisors (43306276474).

80116611266 is a wasteful number, since it uses less digits than its factorization.

80116611266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082656948.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 80116611266 in words is "eighty billion, one hundred sixteen million, six hundred eleven thousand, two hundred sixty-six".