63343616 has 44 divisors (see below), whose sum is σ = 144731088. Its totient is φ = 27144192.

The previous prime is 63343591. The next prime is 63343699. The reversal of 63343616 is 61634336.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750 + ... + 11586.

Almost surely, 2^63343616 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 63343616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72365544).

63343616 is an abundant number, since it is smaller than the sum of its proper divisors (81387472).

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

63343616 is an equidigital number, since it uses as much as digits as its factorization.

63343616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8864 (or 8846 counting only the distinct ones).

The product of its digits is 23328, while the sum is 32.

The square root of 63343616 is about 7958.8702715901. The cubic root of 63343616 is about 398.6278316005.

The spelling of 63343616 in words is "sixty-three million, three hundred forty-three thousand, six hundred sixteen".