169142328 has 48 divisors (see below), whose sum is σ = 460660200. Its totient is φ = 56064960.

The previous prime is 169142327. The next prime is 169142381. The reversal of 169142328 is 823241961.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 169142292 and 169142301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169142327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6543 + ... + 19521.

Almost surely, 2^169142328 is an apocalyptic number.

169142328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169142328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230330100).

169142328 is an abundant number, since it is smaller than the sum of its proper divisors (291517872).

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

169142328 is a wasteful number, since it uses less digits than its factorization.

169142328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13172 (or 13165 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 169142328 is about 13005.4730017789. The cubic root of 169142328 is about 553.0326448121.

The spelling of 169142328 in words is "one hundred sixty-nine million, one hundred forty-two thousand, three hundred twenty-eight".