65385805568 has 18 divisors (see below), whose sum is σ = 130516198344. Its totient is φ = 32692902656.

The previous prime is 65385805567. The next prime is 65385805609. The reversal of 65385805568 is 86550858356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65385805561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127706396 + ... + 127706907.

It is an arithmetic number, because the mean of its divisors is an integer number (7250899908).

Almost surely, 2^65385805568 is an apocalyptic number.

It is an amenable number.

65385805568 is a deficient number, since it is larger than the sum of its proper divisors (65130392776).

65385805568 is an equidigital number, since it uses as much as digits as its factorization.

65385805568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255413319 (or 255413305 counting only the distinct ones).

The product of its (nonzero) digits is 34560000, while the sum is 59.

The spelling of 65385805568 in words is "sixty-five billion, three hundred eighty-five million, eight hundred five thousand, five hundred sixty-eight".