173169216 has 168 divisors, whose sum is σ = 548079168. Its totient is φ = 51840000.

The previous prime is 173169187. The next prime is 173169239. The reversal of 173169216 is 612961371.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 956646 + ... + 956826.

It is an arithmetic number, because the mean of its divisors is an integer number (3262376).

Almost surely, 2^173169216 is an apocalyptic number.

173169216 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 173169216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274039584).

173169216 is an abundant number, since it is smaller than the sum of its proper divisors (374909952).

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

173169216 is a wasteful number, since it uses less digits than its factorization.

173169216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 348 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 173169216 is about 13159.3774928756. The cubic root of 173169216 is about 557.3870789547.

The spelling of 173169216 in words is "one hundred seventy-three million, one hundred sixty-nine thousand, two hundred sixteen".