68165377338 has 32 divisors (see below), whose sum is σ = 136709959680. Its totient is φ = 22658661360.

The previous prime is 68165377333. The next prime is 68165377349. The reversal of 68165377338 is 83377356186.

It is not an unprimeable number, because it can be changed into a prime (68165377333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4407423 + ... + 4422861.

It is an arithmetic number, because the mean of its divisors is an integer number (4272186240).

Almost surely, 2^68165377338 is an apocalyptic number.

68165377338 is an abundant number, since it is smaller than the sum of its proper divisors (68544582342).

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

68165377338 is a wasteful number, since it uses less digits than its factorization.

68165377338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17442.

The product of its digits is 15240960, while the sum is 57.

The spelling of 68165377338 in words is "sixty-eight billion, one hundred sixty-five million, three hundred seventy-seven thousand, three hundred thirty-eight".