63257816576 has 80 divisors (see below), whose sum is σ = 128800037520. Its totient is φ = 31031869440.

The previous prime is 63257816549. The next prime is 63257816593. The reversal of 63257816576 is 67561875236.

63257816576 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×63257816576⁵ (a number of 55 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5964110 + ... + 5974706.

It is an arithmetic number, because the mean of its divisors is an integer number (1610000469).

Almost surely, 2^63257816576 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 63257816576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64400018760).

63257816576 is an abundant number, since it is smaller than the sum of its proper divisors (65542220944).

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

63257816576 is a wasteful number, since it uses less digits than its factorization.

63257816576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10835 (or 10819 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 56.

The spelling of 63257816576 in words is "sixty-three billion, two hundred fifty-seven million, eight hundred sixteen thousand, five hundred seventy-six".