128266676 has 24 divisors (see below), whose sum is σ = 237733440. Its totient is φ = 60426432.

The previous prime is 128266673. The next prime is 128266693. The reversal of 128266676 is 676662821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128266673) 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, 4241 + ... + 16568.

It is an arithmetic number, because the mean of its divisors is an integer number (9905560).

Almost surely, 2^128266676 is an apocalyptic number.

It is an amenable number.

128266676 is a deficient number, since it is larger than the sum of its proper divisors (109466764).

128266676 is a wasteful number, since it uses less digits than its factorization.

128266676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20903 (or 20901 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 128266676 is about 11325.4878923603. The cubic root of 128266676 is about 504.3181675002.

The spelling of 128266676 in words is "one hundred twenty-eight million, two hundred sixty-six thousand, six hundred seventy-six".