169330128 has 80 divisors (see below), whose sum is σ = 502348800. Its totient is φ = 48608640.

The previous prime is 169330121. The next prime is 169330169. The reversal of 169330128 is 821033961.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169330121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1593 + ... + 18471.

It is an arithmetic number, because the mean of its divisors is an integer number (6279360).

Almost surely, 2^169330128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169330128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251174400).

169330128 is an abundant number, since it is smaller than the sum of its proper divisors (333018672).

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

169330128 is a wasteful number, since it uses less digits than its factorization.

169330128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16920 (or 16914 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 169330128 is about 13012.6910360617. The cubic root of 169330128 is about 553.2372478761.

The spelling of 169330128 in words is "one hundred sixty-nine million, three hundred thirty thousand, one hundred twenty-eight".