63468713616 has 160 divisors (see below), whose sum is σ = 206229086208. Its totient is φ = 16339384320.

The previous prime is 63468713587. The next prime is 63468713653. The reversal of 63468713616 is 61631786436.

It is a happy number.

63468713616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341665 + ... + 493631.

Almost surely, 2^63468713616 is an apocalyptic number.

63468713616 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63468713616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103114543104).

63468713616 is an abundant number, since it is smaller than the sum of its proper divisors (142760372592).

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

63468713616 is a wasteful number, since it uses less digits than its factorization.

63468713616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152109 (or 152103 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 51.

The spelling of 63468713616 in words is "sixty-three billion, four hundred sixty-eight million, seven hundred thirteen thousand, six hundred sixteen".