128248575660 has 72 divisors (see below), whose sum is σ = 389702288976. Its totient is φ = 34139698560.

The previous prime is 128248575643. The next prime is 128248575683. The reversal of 128248575660 is 66575842821.

128248575660 is a `hidden beast` number, since 1 + 2 + 8 + 2 + 4 + 8 + 575 + 6 + 60 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 128248575597 and 128248575606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 521119 + ... + 726678.

Almost surely, 2^128248575660 is an apocalyptic number.

128248575660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128248575660 is an abundant number, since it is smaller than the sum of its proper divisors (261453713316).

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

128248575660 is a wasteful number, since it uses less digits than its factorization.

128248575660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248383 (or 1248378 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 128248575660 in words is "one hundred twenty-eight billion, two hundred forty-eight million, five hundred seventy-five thousand, six hundred sixty".