173361680 has 20 divisors (see below), whose sum is σ = 403066092. Its totient is φ = 69344640.

The previous prime is 173361677. The next prime is 173361691. The reversal of 173361680 is 86163371.

173361680 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 20394256 + 152967424 = 4516^2 + 12368^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 173361680.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083431 + ... + 1083590.

Almost surely, 2^173361680 is an apocalyptic number.

173361680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173361680 is an abundant number, since it is smaller than the sum of its proper divisors (229704412).

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

173361680 is a wasteful number, since it uses less digits than its factorization.

173361680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167034 (or 2167028 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 173361680 is about 13166.6882700245. The cubic root of 173361680 is about 557.5934998388.

The spelling of 173361680 in words is "one hundred seventy-three million, three hundred sixty-one thousand, six hundred eighty".