128168364 has 12 divisors (see below), whose sum is σ = 299059544. Its totient is φ = 42722784.

The previous prime is 128168297. The next prime is 128168377. The reversal of 128168364 is 463861821.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5340337 + ... + 5340360.

Almost surely, 2^128168364 is an apocalyptic number.

It is an amenable number.

128168364 is an abundant number, since it is smaller than the sum of its proper divisors (170891180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128168364 is a wasteful number, since it uses less digits than its factorization.

128168364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10680704 (or 10680702 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 128168364 is about 11321.1467617022. The cubic root of 128168364 is about 504.1892870513.

The spelling of 128168364 in words is "one hundred twenty-eight million, one hundred sixty-eight thousand, three hundred sixty-four".