178315868140 has 12 divisors (see below), whose sum is σ = 374463323136. Its totient is φ = 71326347248.

The previous prime is 178315868117. The next prime is 178315868141. The reversal of 178315868140 is 41868513871.

178315868140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (178315868141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4457896684 + ... + 4457896723.

It is an arithmetic number, because the mean of its divisors is an integer number (31205276928).

Almost surely, 2^178315868140 is an apocalyptic number.

178315868140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

178315868140 is an abundant number, since it is smaller than the sum of its proper divisors (196147454996).

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

178315868140 is a wasteful number, since it uses less digits than its factorization.

178315868140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915793416 (or 8915793414 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 52.

The spelling of 178315868140 in words is "one hundred seventy-eight billion, three hundred fifteen million, eight hundred sixty-eight thousand, one hundred forty".