63006564616 has 8 divisors (see below), whose sum is σ = 118137308670. Its totient is φ = 31503282304.

The previous prime is 63006564589. The next prime is 63006564617. The reversal of 63006564616 is 61646560036.

It can be written as a sum of positive squares in only one way, i.e., 42129204516 + 20877360100 = 205254^2 + 144490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (63006564617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3937910281 + ... + 3937910296.

Almost surely, 2^63006564616 is an apocalyptic number.

It is an amenable number.

63006564616 is a deficient number, since it is larger than the sum of its proper divisors (55130744054).

63006564616 is a wasteful number, since it uses less digits than its factorization.

63006564616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7875820583 (or 7875820579 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 63006564616 in words is "sixty-three billion, six million, five hundred sixty-four thousand, six hundred sixteen".