128164706 has 16 divisors (see below), whose sum is σ = 196732800. Its totient is φ = 62597808.

The previous prime is 128164703. The next prime is 128164739. The reversal of 128164706 is 607461821.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (128164703) 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, 22805 + ... + 27863.

It is an arithmetic number, because the mean of its divisors is an integer number (12295800).

Almost surely, 2^128164706 is an apocalyptic number.

128164706 is a deficient number, since it is larger than the sum of its proper divisors (68568094).

128164706 is a wasteful number, since it uses less digits than its factorization.

128164706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5353.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 128164706 is about 11320.9852044776. The cubic root of 128164706 is about 504.1844903867.

The spelling of 128164706 in words is "one hundred twenty-eight million, one hundred sixty-four thousand, seven hundred six".