169823113216 has 117 divisors (see below), whose sum is σ = 349535353909. Its totient is φ = 82498322432.

The previous prime is 169823113189. The next prime is 169823113253. The reversal of 169823113216 is 612311328961.

The square root of 169823113216 is 412096.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 99754905600 + 70068207616 = 315840^2 + 264704^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1239584700 + ... + 1239584836.

Almost surely, 2^169823113216 is an apocalyptic number.

169823113216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

169823113216 is the 412096-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169823113216

169823113216 is an abundant number, since it is smaller than the sum of its proper divisors (179712240693).

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

169823113216 is an frugal number, since it uses more digits than its factorization.

169823113216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 186 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The spelling of 169823113216 in words is "one hundred sixty-nine billion, eight hundred twenty-three million, one hundred thirteen thousand, two hundred sixteen".