63361216 has 28 divisors (see below), whose sum is σ = 126173992. Its totient is φ = 31569408.

The previous prime is 63361187. The next prime is 63361229. The reversal of 63361216 is 61216336.

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 in 3 ways as a sum of consecutive naturals, for example, 18451 + ... + 21613.

It is an arithmetic number, because the mean of its divisors is an integer number (4506214).

Almost surely, 2^63361216 is an apocalyptic number.

It is an amenable number.

63361216 is a deficient number, since it is larger than the sum of its proper divisors (62812776).

63361216 is a wasteful number, since it uses less digits than its factorization.

63361216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488 (or 3478 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 63361216 is about 7959.9758793604. The cubic root of 63361216 is about 398.6647477129.

The spelling of 63361216 in words is "sixty-three million, three hundred sixty-one thousand, two hundred sixteen".