128161196 has 6 divisors (see below), whose sum is σ = 224282100. Its totient is φ = 64080596.

The previous prime is 128161169. The next prime is 128161207. The reversal of 128161196 is 691161821.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16020146 + ... + 16020153.

It is an arithmetic number, because the mean of its divisors is an integer number (37380350).

Almost surely, 2^128161196 is an apocalyptic number.

It is an amenable number.

128161196 is a deficient number, since it is larger than the sum of its proper divisors (96120904).

128161196 is a wasteful number, since it uses less digits than its factorization.

128161196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32040303 (or 32040301 counting only the distinct ones).

The product of its digits is 5184, while the sum is 35.

The square root of 128161196 is about 11320.8301815724. The cubic root of 128161196 is about 504.1798877059.

The spelling of 128161196 in words is "one hundred twenty-eight million, one hundred sixty-one thousand, one hundred ninety-six".