65057315868 has 36 divisors (see below), whose sum is σ = 165369171240. Its totient is φ = 21564620256.

The previous prime is 65057315863. The next prime is 65057315887. The reversal of 65057315868 is 86851375056.

65057315868 is a `hidden beast` number, since 6 + 5 + 0 + 57 + 3 + 1 + 586 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65057315863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5041455 + ... + 5054342.

It is an arithmetic number, because the mean of its divisors is an integer number (4593588090).

Almost surely, 2^65057315868 is an apocalyptic number.

It is an amenable number.

65057315868 is an abundant number, since it is smaller than the sum of its proper divisors (100311855372).

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

65057315868 is a wasteful number, since it uses less digits than its factorization.

65057315868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10095986 (or 10095981 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 65057315868 in words is "sixty-five billion, fifty-seven million, three hundred fifteen thousand, eight hundred sixty-eight".