68464105164 has 216 divisors, whose sum is σ = 228215136240. Its totient is φ = 17106018048.

The previous prime is 68464105163. The next prime is 68464105187. The reversal of 68464105164 is 46150146486.

68464105164 is a `hidden beast` number, since 68 + 4 + 64 + 10 + 516 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (68464105163) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 357142 + ... + 514274.

Almost surely, 2^68464105164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68464105164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114107568120).

68464105164 is an abundant number, since it is smaller than the sum of its proper divisors (159751031076).

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

68464105164 is a wasteful number, since it uses less digits than its factorization.

68464105164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157189 (or 157177 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 68464105164 in words is "sixty-eight billion, four hundred sixty-four million, one hundred five thousand, one hundred sixty-four".