128028616743246 has 8 divisors (see below), whose sum is σ = 256057233486504. Its totient is φ = 42676205581080.

The previous prime is 128028616743221. The next prime is 128028616743257. The reversal of 128028616743246 is 642347616820821.

It is a sphenic number, since it is the product of 3 distinct primes.

128028616743246 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 128028616743246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10669051395265 + ... + 10669051395276.

It is an arithmetic number, because the mean of its divisors is an integer number (32007154185813).

Almost surely, 2^{128028616743246} is an apocalyptic number.

128028616743246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128028616743246 is a wasteful number, since it uses less digits than its factorization.

128028616743246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21338102790546.

The product of its (nonzero) digits is 37158912, while the sum is 60.

The spelling of 128028616743246 in words is "one hundred twenty-eight trillion, twenty-eight billion, six hundred sixteen million, seven hundred forty-three thousand, two hundred forty-six".