63532216 has 32 divisors (see below), whose sum is σ = 131122800. Its totient is φ = 28618240.

The previous prime is 63532211. The next prime is 63532277. The reversal of 63532216 is 61223536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63532211) 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, 6750 + ... + 13138.

Almost surely, 2^63532216 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 63532216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65561400).

63532216 is an abundant number, since it is smaller than the sum of its proper divisors (67590584).

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

63532216 is a wasteful number, since it uses less digits than its factorization.

63532216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6519 (or 6515 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 63532216 is about 7970.7098805564. The cubic root of 63532216 is about 399.0230659421.

The spelling of 63532216 in words is "sixty-three million, five hundred thirty-two thousand, two hundred sixteen".