80766158068 has 12 divisors (see below), whose sum is σ = 141354730692. Its totient is φ = 40379092160.

The previous prime is 80766158051. The next prime is 80766158089. The reversal of 80766158068 is 86085166708.

It can be written as a sum of positive squares in 2 ways, for example, as 20975149584 + 59791008484 = 144828^2 + 244522^2 .

It is a super-2 number, since 2×80766158068² (a number of 23 digits) contains 22 as substring.

It is a congruent 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, 950905 + ... + 1032352.

It is an arithmetic number, because the mean of its divisors is an integer number (11779560891).

Almost surely, 2^80766158068 is an apocalyptic number.

It is an amenable number.

80766158068 is a deficient number, since it is larger than the sum of its proper divisors (60588572624).

80766158068 is a wasteful number, since it uses less digits than its factorization.

80766158068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993442 (or 1993440 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 80766158068 in words is "eighty billion, seven hundred sixty-six million, one hundred fifty-eight thousand, sixty-eight".