169340128 has 36 divisors (see below), whose sum is σ = 354172392. Its totient is φ = 79685120.

The previous prime is 169340123. The next prime is 169340131. The reversal of 169340128 is 821043961.

169340128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 169340093 and 169340102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169340123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93 + ... + 18403.

It is an arithmetic number, because the mean of its divisors is an integer number (9838122).

Almost surely, 2^169340128 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 169340128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177086196).

169340128 is an abundant number, since it is smaller than the sum of its proper divisors (184832264).

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

169340128 is a wasteful number, since it uses less digits than its factorization.

169340128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18355 (or 18330 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 169340128 is about 13013.0752706653. The cubic root of 169340128 is about 553.2481383649.

The spelling of 169340128 in words is "one hundred sixty-nine million, three hundred forty thousand, one hundred twenty-eight".