128806045608 has 32 divisors (see below), whose sum is σ = 322378205760. Its totient is φ = 42886936320.

The previous prime is 128806045603. The next prime is 128806045637. The reversal of 128806045608 is 806540608821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (128806045603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3004033 + ... + 3046608.

It is an arithmetic number, because the mean of its divisors is an integer number (10074318930).

Almost surely, 2^128806045608 is an apocalyptic number.

It is an amenable number.

128806045608 is an abundant number, since it is smaller than the sum of its proper divisors (193572160152).

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

128806045608 is a wasteful number, since it uses less digits than its factorization.

128806045608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051537 (or 6051533 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 128806045608 in words is "one hundred twenty-eight billion, eight hundred six million, forty-five thousand, six hundred eight".