128162083378860 has 144 divisors (see below), whose sum is σ = 389086954873344. Its totient is φ = 34147670505984.

The previous prime is 128162083378789. The next prime is 128162083378873. The reversal of 128162083378860 is 68873380261821.

128162083378860 is a `hidden beast` number, since 1 + 2 + 8 + 16 + 208 + 337 + 8 + 86 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2546258254 + ... + 2546308586.

It is an arithmetic number, because the mean of its divisors is an integer number (2701992742176).

Almost surely, 2^{128162083378860} is an apocalyptic number.

128162083378860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128162083378860 is an abundant number, since it is smaller than the sum of its proper divisors (260924871494484).

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

128162083378860 is a wasteful number, since it uses less digits than its factorization.

128162083378860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62024 (or 62019 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 128162083378860 in words is "one hundred twenty-eight trillion, one hundred sixty-two billion, eighty-three million, three hundred seventy-eight thousand, eight hundred sixty".