80663216 has 10 divisors (see below), whose sum is σ = 156285012. Its totient is φ = 40331600.

The previous prime is 80663213. The next prime is 80663237. The reversal of 80663216 is 61236608.

It is not an unprimeable number, because it can be changed into a prime (80663213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2520710 + ... + 2520741.

Almost surely, 2^80663216 is an apocalyptic number.

It is an amenable number.

80663216 is a deficient number, since it is larger than the sum of its proper divisors (75621796).

80663216 is a wasteful number, since it uses less digits than its factorization.

80663216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041459 (or 5041453 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 80663216 is about 8981.2702887732. The cubic root of 80663216 is about 432.0743756260.

The spelling of 80663216 in words is "eighty million, six hundred sixty-three thousand, two hundred sixteen".