63358338816 has 216 divisors, whose sum is σ = 191811044880. Its totient is φ = 20085424128.

The previous prime is 63358338803. The next prime is 63358338829. The reversal of 63358338816 is 61883385336.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63358338803) and next prime (63358338829).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4469596 + ... + 4483748.

Almost surely, 2^63358338816 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 63358338816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95905522440).

63358338816 is an abundant number, since it is smaller than the sum of its proper divisors (128452706064).

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

63358338816 is a wasteful number, since it uses less digits than its factorization.

63358338816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14271 (or 14254 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 63358338816 in words is "sixty-three billion, three hundred fifty-eight million, three hundred thirty-eight thousand, eight hundred sixteen".