173226816 has 112 divisors (see below), whose sum is σ = 582046080. Its totient is φ = 49489920.

The previous prime is 173226797. The next prime is 173226829. The reversal of 173226816 is 618622371.

It is a tau number, because it is divible by the number of its divisors (112).

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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4936 + ... + 19256.

It is an arithmetic number, because the mean of its divisors is an integer number (5196840).

Almost surely, 2^173226816 is an apocalyptic number.

173226816 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 173226816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291023040).

173226816 is an abundant number, since it is smaller than the sum of its proper divisors (408819264).

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

173226816 is a wasteful number, since it uses less digits than its factorization.

173226816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14349 (or 14333 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 173226816 is about 13161.5658642883. The cubic root of 173226816 is about 557.4488719560.

The spelling of 173226816 in words is "one hundred seventy-three million, two hundred twenty-six thousand, eight hundred sixteen".