128650149206 has 16 divisors (see below), whose sum is σ = 195247011120. Its totient is φ = 63569733120.

The previous prime is 128650149167. The next prime is 128650149209. The reversal of 128650149206 is 602941056821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128650149209) 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, 345791 + ... + 613898.

It is an arithmetic number, because the mean of its divisors is an integer number (12202938195).

Almost surely, 2^128650149206 is an apocalyptic number.

128650149206 is a deficient number, since it is larger than the sum of its proper divisors (66596861914).

128650149206 is an equidigital number, since it uses as much as digits as its factorization.

128650149206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960479.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 128650149206 in words is "one hundred twenty-eight billion, six hundred fifty million, one hundred forty-nine thousand, two hundred six".