6563953152 has 160 divisors (see below), whose sum is σ = 19491014400. Its totient is φ = 2181095424.

The previous prime is 6563953133. The next prime is 6563953157. The reversal of 6563953152 is 2513593656.

6563953152 is a `hidden beast` number, since 6 + 5 + 63 + 9 + 531 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6563953098 and 6563953107.

It is not an unprimeable number, because it can be changed into a prime (6563953157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6317049 + ... + 6318087.

It is an arithmetic number, because the mean of its divisors is an integer number (121818840).

Almost surely, 2^6563953152 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 6563953152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9745507200).

6563953152 is an abundant number, since it is smaller than the sum of its proper divisors (12927061248).

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

6563953152 is a wasteful number, since it uses less digits than its factorization.

6563953152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523 (or 1501 counting only the distinct ones).

The product of its digits is 729000, while the sum is 45.

The square root of 6563953152 is about 81018.2272825072. The cubic root of 6563953152 is about 1872.3562766998.

The spelling of 6563953152 in words is "six billion, five hundred sixty-three million, nine hundred fifty-three thousand, one hundred fifty-two".