63316916065 has 16 divisors (see below), whose sum is σ = 82167321600. Its totient is φ = 46561459392.

The previous prime is 63316916051. The next prime is 63316916077. The reversal of 63316916065 is 56061961336.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63316916065 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2022345 + ... + 2053414.

It is an arithmetic number, because the mean of its divisors is an integer number (5135457600).

Almost surely, 2^63316916065 is an apocalyptic number.

63316916065 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63316916065 is a deficient number, since it is larger than the sum of its proper divisors (18850405535).

63316916065 is a wasteful number, since it uses less digits than its factorization.

63316916065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076016.

The product of its (nonzero) digits is 524880, while the sum is 46.

The spelling of 63316916065 in words is "sixty-three billion, three hundred sixteen million, nine hundred sixteen thousand, sixty-five".