63245916 has 54 divisors (see below), whose sum is σ = 169856960. Its totient is φ = 19838592.

The previous prime is 63245909. The next prime is 63245953. The reversal of 63245916 is 61954236.

It is a happy number.

63245916 is a `hidden beast` number, since 63 + 2 + 4 + 591 + 6 = 666.

63245916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 17 ways as a sum of consecutive naturals, for example, 7365 + ... + 13443.

Almost surely, 2^63245916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63245916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84928480).

63245916 is an abundant number, since it is smaller than the sum of its proper divisors (106611044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63245916 is a wasteful number, since it uses less digits than its factorization.

63245916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123 (or 6101 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 63245916 is about 7952.7300972685. The cubic root of 63245916 is about 398.4227807896.

The spelling of 63245916 in words is "sixty-three million, two hundred forty-five thousand, nine hundred sixteen".