80543068168 has 8 divisors (see below), whose sum is σ = 151018252830. Its totient is φ = 40271534080.

The previous prime is 80543068091. The next prime is 80543068183. The reversal of 80543068168 is 86186034508.

It can be written as a sum of positive squares in only one way, i.e., 47201038564 + 33342029604 = 217258^2 + 182598^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5033941753 + ... + 5033941768.

Almost surely, 2^80543068168 is an apocalyptic number.

It is an amenable number.

80543068168 is a deficient number, since it is larger than the sum of its proper divisors (70475184662).

80543068168 is a wasteful number, since it uses less digits than its factorization.

80543068168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067883527 (or 10067883523 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 80543068168 in words is "eighty billion, five hundred forty-three million, sixty-eight thousand, one hundred sixty-eight".