80216168 has 8 divisors (see below), whose sum is σ = 150405330. Its totient is φ = 40108080.

The previous prime is 80216161. The next prime is 80216173. The reversal of 80216168 is 86161208.

It can be written as a sum of positive squares in only one way, i.e., 57729604 + 22486564 = 7598^2 + 4742^2 .

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

It is not an unprimeable number, because it can be changed into a prime (80216161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5013503 + ... + 5013518.

Almost surely, 2^80216168 is an apocalyptic number.

It is an amenable number.

80216168 is a deficient number, since it is larger than the sum of its proper divisors (70189162).

80216168 is a wasteful number, since it uses less digits than its factorization.

80216168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10027027 (or 10027023 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 80216168 is about 8956.3479164222. The cubic root of 80216168 is about 431.2746888337.

The spelling of 80216168 in words is "eighty million, two hundred sixteen thousand, one hundred sixty-eight".