178882722066 has 16 divisors (see below), whose sum is σ = 362294121600. Its totient is φ = 58872794448.

The previous prime is 178882722043. The next prime is 178882722097. The reversal of 178882722066 is 660227288871.

178882722066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 178882721997 and 178882722015.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 188694381 + ... + 188695328.

It is an arithmetic number, because the mean of its divisors is an integer number (22643382600).

Almost surely, 2^178882722066 is an apocalyptic number.

178882722066 is an abundant number, since it is smaller than the sum of its proper divisors (183411399534).

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

178882722066 is a wasteful number, since it uses less digits than its factorization.

178882722066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377389793.

The product of its (nonzero) digits is 7225344, while the sum is 57.

The spelling of 178882722066 in words is "one hundred seventy-eight billion, eight hundred eighty-two million, seven hundred twenty-two thousand, sixty-six".