80663168 has 16 divisors (see below), whose sum is σ = 160696410. Its totient is φ = 40331520.

The previous prime is 80663159. The next prime is 80663173. The reversal of 80663168 is 86136608.

It can be written as a sum of positive squares in only one way, i.e., 80425024 + 238144 = 8968^2 + 488^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314963 + ... + 315218.

Almost surely, 2^80663168 is an apocalyptic number.

It is an amenable number.

80663168 is a deficient number, since it is larger than the sum of its proper divisors (80033242).

80663168 is an equidigital number, since it uses as much as digits as its factorization.

80663168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630195 (or 630183 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 80663168 is about 8981.2676165450. The cubic root of 80663168 is about 432.0742899216.

The spelling of 80663168 in words is "eighty million, six hundred sixty-three thousand, one hundred sixty-eight".