169680028 has 24 divisors (see below), whose sum is σ = 340038272. Its totient is φ = 72574704.

The previous prime is 169679999. The next prime is 169680029. The reversal of 169680028 is 820086961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169680029) 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 7 ways as a sum of consecutive naturals, for example, 8851 + ... + 20437.

Almost surely, 2^169680028 is an apocalyptic number.

It is an amenable number.

169680028 is an abundant number, since it is smaller than the sum of its proper divisors (170358244).

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

169680028 is a wasteful number, since it uses less digits than its factorization.

169680028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12121 (or 12119 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 169680028 is about 13026.1286651100. The cubic root of 169680028 is about 553.6180514053.

The spelling of 169680028 in words is "one hundred sixty-nine million, six hundred eighty thousand, twenty-eight".