63113216 has 24 divisors (see below), whose sum is σ = 126199710. Its totient is φ = 31555584.

The previous prime is 63113213. The next prime is 63113221. The reversal of 63113216 is 61231136.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 62473216 + 640000 = 7904^2 + 800^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63113191 and 63113200.

It is not an unprimeable number, because it can be changed into a prime (63113213) 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, 13361 + ... + 17456.

Almost surely, 2^63113216 is an apocalyptic number.

It is an amenable number.

63113216 is a deficient number, since it is larger than the sum of its proper divisors (63086494).

63113216 is an equidigital number, since it uses as much as digits as its factorization.

63113216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30839 (or 30819 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 63113216 is about 7944.3826695345. The cubic root of 63113216 is about 398.1439342038.

The spelling of 63113216 in words is "sixty-three million, one hundred thirteen thousand, two hundred sixteen".