67305311168 has 28 divisors (see below), whose sum is σ = 137168683752. Its totient is φ = 32743123200.

The previous prime is 67305311141. The next prime is 67305311179. The reversal of 67305311168 is 86111350376.

It is a super-2 number, since 2×67305311168² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14209058 + ... + 14213793.

Almost surely, 2^67305311168 is an apocalyptic number.

It is an amenable number.

67305311168 is an abundant number, since it is smaller than the sum of its proper divisors (69863372584).

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

67305311168 is a wasteful number, since it uses less digits than its factorization.

67305311168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28422900 (or 28422890 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 67305311168 in words is "sixty-seven billion, three hundred five million, three hundred eleven thousand, one hundred sixty-eight".