128168092 has 24 divisors (see below), whose sum is σ = 241858512. Its totient is φ = 59078400.

The previous prime is 128168087. The next prime is 128168093. The reversal of 128168092 is 290861821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128168093) 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, 69867 + ... + 71677.

It is an arithmetic number, because the mean of its divisors is an integer number (10077438).

Almost surely, 2^128168092 is an apocalyptic number.

It is an amenable number.

128168092 is a deficient number, since it is larger than the sum of its proper divisors (113690420).

128168092 is a wasteful number, since it uses less digits than its factorization.

128168092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189 (or 3187 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 128168092 is about 11321.1347487785. The cubic root of 128168092 is about 504.1889303861.

Subtracting from 128168092 its sum of digits (37), we obtain a triangular number (128168055 = T₁₆₀₁₀).

The spelling of 128168092 in words is "one hundred twenty-eight million, one hundred sixty-eight thousand, ninety-two".