63478066176 has 352 divisors, whose sum is σ = 215628687360. Its totient is φ = 18070732800.

The previous prime is 63478066139. The next prime is 63478066177. The reversal of 63478066176 is 67166087436.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (63478066177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83413636 + ... + 83414396.

Almost surely, 2^63478066176 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 63478066176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107814343680).

63478066176 is an abundant number, since it is smaller than the sum of its proper divisors (152150621184).

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

63478066176 is a wasteful number, since it uses less digits than its factorization.

63478066176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 63478066176 in words is "sixty-three billion, four hundred seventy-eight million, sixty-six thousand, one hundred seventy-six".