128836755066 has 16 divisors (see below), whose sum is σ = 258316092288. Its totient is φ = 42838488000.

The previous prime is 128836755059. The next prime is 128836755143. The reversal of 128836755066 is 660557638821.

128836755066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 128836754997 and 128836755015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26771650 + ... + 26776461.

It is an arithmetic number, because the mean of its divisors is an integer number (16144755768).

Almost surely, 2^128836755066 is an apocalyptic number.

128836755066 is an abundant number, since it is smaller than the sum of its proper divisors (129479337222).

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

128836755066 is a wasteful number, since it uses less digits than its factorization.

128836755066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53548517.

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 128836755066 in words is "one hundred twenty-eight billion, eight hundred thirty-six million, seven hundred fifty-five thousand, sixty-six".