189211080256 has 63 divisors (see below), whose sum is σ = 412785517963. Its totient is φ = 85987637120.

The previous prime is 189211080173. The next prime is 189211080257. The reversal of 189211080256 is 652080112981.

The square root of 189211080256 is 434984.

It is a perfect power (a square), and thus also a powerful number.

189211080256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189211080257) 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 8 ways as a sum of consecutive naturals, for example, 38276121 + ... + 38281063.

Almost surely, 2^189211080256 is an apocalyptic number.

189211080256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

189211080256 is the 434984-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189211080256

189211080256 is an abundant number, since it is smaller than the sum of its proper divisors (223574437707).

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

189211080256 is an frugal number, since it uses more digits than its factorization.

189211080256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9920 (or 4956 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 43.

The spelling of 189211080256 in words is "one hundred eighty-nine billion, two hundred eleven million, eighty thousand, two hundred fifty-six".