63144016 has 80 divisors (see below), whose sum is σ = 140241024. Its totient is φ = 27320832.

The previous prime is 63144013. The next prime is 63144043. The reversal of 63144016 is 61044136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63144013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320430 + ... + 320626.

Almost surely, 2^63144016 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 63144016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70120512).

63144016 is an abundant number, since it is smaller than the sum of its proper divisors (77097008).

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

63144016 is a wasteful number, since it uses less digits than its factorization.

63144016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 63144016 is about 7946.3209097041. The cubic root of 63144016 is about 398.2086899961.

The spelling of 63144016 in words is "sixty-three million, one hundred forty-four thousand, sixteen".