67178664080 has 160 divisors (see below), whose sum is σ = 176604696576. Its totient is φ = 23544000000.

The previous prime is 67178664067. The next prime is 67178664083. The reversal of 67178664080 is 8046687176.

It is not an unprimeable number, because it can be changed into a prime (67178664083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6842375 + ... + 6852185.

Almost surely, 2^67178664080 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 67178664080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88302348288).

67178664080 is an abundant number, since it is smaller than the sum of its proper divisors (109426032496).

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

67178664080 is a wasteful number, since it uses less digits than its factorization.

67178664080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10117 (or 10111 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 67178664080 in words is "sixty-seven billion, one hundred seventy-eight million, six hundred sixty-four thousand, eighty".