63521662410 has 96 divisors (see below), whose sum is σ = 174115656000. Its totient is φ = 16022942208.

The previous prime is 63521662397. The next prime is 63521662417. The reversal of 63521662410 is 1426612536.

63521662410 is a `hidden beast` number, since 6 + 3 + 5 + 2 + 16 + 624 + 10 = 666.

It is not an unprimeable number, because it can be changed into a prime (63521662417) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1098706 + ... + 1155074.

It is an arithmetic number, because the mean of its divisors is an integer number (1813704750).

Almost surely, 2^63521662410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63521662410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87057828000).

63521662410 is an abundant number, since it is smaller than the sum of its proper divisors (110593993590).

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

63521662410 is a wasteful number, since it uses less digits than its factorization.

63521662410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57060 (or 57057 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 63521662410 in words is "sixty-three billion, five hundred twenty-one million, six hundred sixty-two thousand, four hundred ten".