63216448662528 has 1408 divisors, whose sum is σ = 223254736404480. Its totient is φ = 17513691955200.

The previous prime is 63216448662509. The next prime is 63216448662541. The reversal of 63216448662528 is 82526684461236.

63216448662528 is a `hidden beast` number, since 6 + 3 + 2 + 1 + 6 + 4 + 48 + 6 + 62 + 528 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 128750404363 + ... + 128750404853.

It is an arithmetic number, because the mean of its divisors is an integer number (158561602560).

Almost surely, 2^{63216448662528} 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 63216448662528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111627368202240).

63216448662528 is an abundant number, since it is smaller than the sum of its proper divisors (160038287741952).

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

63216448662528 is an equidigital number, since it uses as much as digits as its factorization.

63216448662528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 737 counting only the distinct ones).

The product of its digits is 159252480, while the sum is 63.

The spelling of 63216448662528 in words is "sixty-three trillion, two hundred sixteen billion, four hundred forty-eight million, six hundred sixty-two thousand, five hundred twenty-eight".