169830656 has 36 divisors (see below), whose sum is σ = 345421692. Its totient is φ = 83306496.

The previous prime is 169830653. The next prime is 169830667. The reversal of 169830656 is 656038961.

It can be written as a sum of positive squares in 2 ways, for example, as 143616256 + 26214400 = 11984^2 + 5120^2 .

It is not an unprimeable number, because it can be changed into a prime (169830653) 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 3 ways as a sum of consecutive naturals, for example, 7310 + ... + 19826.

It is an arithmetic number, because the mean of its divisors is an integer number (9595047).

Almost surely, 2^169830656 is an apocalyptic number.

169830656 is a gapful number since it is divisible by the number (16) 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 169830656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172710846).

169830656 is an abundant number, since it is smaller than the sum of its proper divisors (175591036).

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

169830656 is an equidigital number, since it uses as much as digits as its factorization.

169830656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12586 (or 12572 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 169830656 is about 13031.9091463991. The cubic root of 169830656 is about 553.7818218409.

The spelling of 169830656 in words is "one hundred sixty-nine million, eight hundred thirty thousand, six hundred fifty-six".