63516436 has 12 divisors (see below), whose sum is σ = 111217428. Its totient is φ = 31740032.

The previous prime is 63516413. The next prime is 63516443. The reversal of 63516436 is 63461536.

63516436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 21344400 + 42172036 = 4620^2 + 6494^2 .

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 6060 + ... + 12796.

It is an arithmetic number, because the mean of its divisors is an integer number (9268119).

Almost surely, 2^63516436 is an apocalyptic number.

It is an amenable number.

63516436 is a deficient number, since it is larger than the sum of its proper divisors (47700992).

63516436 is a wasteful number, since it uses less digits than its factorization.

63516436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9098 (or 9096 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 63516436 is about 7969.7199448914. The cubic root of 63516436 is about 398.9900270328.

It can be divided in two parts, 635 and 16436, that added together give a palindrome (17071).

The spelling of 63516436 in words is "sixty-three million, five hundred sixteen thousand, four hundred thirty-six".