128197113170 has 32 divisors (see below), whose sum is σ = 263770214400. Its totient is φ = 43944889536.

The previous prime is 128197113091. The next prime is 128197113173. The reversal of 128197113170 is 71311791821.

It is not an unprimeable number, because it can be changed into a prime (128197113173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199151 + ... + 544109.

It is an arithmetic number, because the mean of its divisors is an integer number (8242819200).

Almost surely, 2^128197113170 is an apocalyptic number.

128197113170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128197113170 is an abundant number, since it is smaller than the sum of its proper divisors (135573101230).

128197113170 is a wasteful number, since it uses less digits than its factorization.

128197113170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350282.

The product of its (nonzero) digits is 21168, while the sum is 41.

The spelling of 128197113170 in words is "one hundred twenty-eight billion, one hundred ninety-seven million, one hundred thirteen thousand, one hundred seventy".