63303216 has 40 divisors (see below), whose sum is σ = 163900224. Its totient is φ = 21053760.

The previous prime is 63303211. The next prime is 63303217. The reversal of 63303216 is 61230336.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (63303211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25051 + ... + 27461.

Almost surely, 2^63303216 is an apocalyptic number.

It is an amenable number.

63303216 is an abundant number, since it is smaller than the sum of its proper divisors (100597008).

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

63303216 is a wasteful number, since it uses less digits than its factorization.

63303216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969 (or 2963 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 63303216 is about 7956.3318181182. The cubic root of 63303216 is about 398.5430664712.

The spelling of 63303216 in words is "sixty-three million, three hundred three thousand, two hundred sixteen".