65263345568 has 48 divisors (see below), whose sum is σ = 132949593000. Its totient is φ = 31498908672.

The previous prime is 65263345561. The next prime is 65263345577. The reversal of 65263345568 is 86554336256.

It can be written as a sum of positive squares in 4 ways, for example, as 65174005264 + 89340304 = 255292^2 + 9452^2 .

It is not an unprimeable number, because it can be changed into a prime (65263345561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7223678 + ... + 7232706.

Almost surely, 2^65263345568 is an apocalyptic number.

It is an amenable number.

65263345568 is an abundant number, since it is smaller than the sum of its proper divisors (67686247432).

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

65263345568 is a wasteful number, since it uses less digits than its factorization.

65263345568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16857 (or 16849 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 53.

The spelling of 65263345568 in words is "sixty-five billion, two hundred sixty-three million, three hundred forty-five thousand, five hundred sixty-eight".