63841883616 has 576 divisors, whose sum is σ = 224423136000. Its totient is φ = 17595325440.

The previous prime is 63841883593. The next prime is 63841883629. The reversal of 63841883616 is 61638814836.

63841883616 is a `hidden beast` number, since 6 + 3 + 8 + 4 + 18 + 8 + 3 + 616 = 666.

It is a super-2 number, since 2×63841883616² (a number of 22 digits) contains 22 as substring.

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

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 152367055 + ... + 152367473.

It is an arithmetic number, because the mean of its divisors is an integer number (389623500).

Almost surely, 2^63841883616 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 63841883616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112211568000).

63841883616 is an abundant number, since it is smaller than the sum of its proper divisors (160581252384).

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

63841883616 is a wasteful number, since it uses less digits than its factorization.

63841883616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 551 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 63841883616 in words is "sixty-three billion, eight hundred forty-one million, eight hundred eighty-three thousand, six hundred sixteen".