65373008168 has 16 divisors (see below), whose sum is σ = 132003189780. Its totient is φ = 30172157568.

The previous prime is 65373008161. The next prime is 65373008171. The reversal of 65373008168 is 86180037356.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64781448484 + 591559684 = 254522^2 + 24322^2 .

It is not an unprimeable number, because it can be changed into a prime (65373008161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314293205 + ... + 314293412.

Almost surely, 2^65373008168 is an apocalyptic number.

It is an amenable number.

65373008168 is an abundant number, since it is smaller than the sum of its proper divisors (66630181612).

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

65373008168 is a wasteful number, since it uses less digits than its factorization.

65373008168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628586636 (or 628586632 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 65373008168 in words is "sixty-five billion, three hundred seventy-three million, eight thousand, one hundred sixty-eight".