65735730168 has 32 divisors (see below), whose sum is σ = 172988764800. Its totient is φ = 20758651488.

The previous prime is 65735730163. The next prime is 65735730191. The reversal of 65735730168 is 86103753756.

It is a self number, because there is not a number n which added to its sum of digits gives 65735730168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65735730163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72078196 + ... + 72079107.

It is an arithmetic number, because the mean of its divisors is an integer number (5405898900).

Almost surely, 2^65735730168 is an apocalyptic number.

It is an amenable number.

65735730168 is an abundant number, since it is smaller than the sum of its proper divisors (107253034632).

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

65735730168 is a wasteful number, since it uses less digits than its factorization.

65735730168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144157331 (or 144157327 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 65735730168 in words is "sixty-five billion, seven hundred thirty-five million, seven hundred thirty thousand, one hundred sixty-eight".