6563933376 has 896 divisors, whose sum is σ = 25808025600. Its totient is φ = 1445068800.

The previous prime is 6563933353. The next prime is 6563933381. The reversal of 6563933376 is 6733393656.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 160095916 + ... + 160095956.

It is an arithmetic number, because the mean of its divisors is an integer number (28803600).

Almost surely, 2^6563933376 is an apocalyptic number.

6563933376 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 6563933376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12904012800).

6563933376 is an abundant number, since it is smaller than the sum of its proper divisors (19244092224).

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

6563933376 is a wasteful number, since it uses less digits than its factorization.

6563933376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 94 counting only the distinct ones).

The product of its digits is 5511240, while the sum is 51.

The square root of 6563933376 is about 81018.1052358052. The cubic root of 6563933376 is about 1872.3543963413.

It can be divided in two parts, 6563 and 933376, that added together give a palindrome (939939).

The spelling of 6563933376 in words is "six billion, five hundred sixty-three million, nine hundred thirty-three thousand, three hundred seventy-six".