63616432 has 40 divisors (see below), whose sum is σ = 135272592. Its totient is φ = 28742400.

The previous prime is 63616411. The next prime is 63616439. The reversal of 63616432 is 23461636.

It is a junction number, because it is equal to n+sod(n) for n = 63616394 and 63616403.

It is not an unprimeable number, because it can be changed into a prime (63616439) 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, 30858 + ... + 32854.

Almost surely, 2^63616432 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 63616432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67636296).

63616432 is an abundant number, since it is smaller than the sum of its proper divisors (71656160).

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

63616432 is a wasteful number, since it uses less digits than its factorization.

63616432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197 (or 2191 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 63616432 is about 7975.9909729136. The cubic root of 63616432 is about 399.1992982613.

The spelling of 63616432 in words is "sixty-three million, six hundred sixteen thousand, four hundred thirty-two".