173145730160 has 80 divisors (see below), whose sum is σ = 437822915040. Its totient is φ = 63297715200.

The previous prime is 173145730159. The next prime is 173145730207. The reversal of 173145730160 is 61037541371.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719150 + ... + 929229.

It is an arithmetic number, because the mean of its divisors is an integer number (5472786438).

Almost surely, 2^173145730160 is an apocalyptic number.

173145730160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173145730160 is an abundant number, since it is smaller than the sum of its proper divisors (264677184880).

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

173145730160 is a wasteful number, since it uses less digits than its factorization.

173145730160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648506 (or 1648500 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 173145730160 in words is "one hundred seventy-three billion, one hundred forty-five million, seven hundred thirty thousand, one hundred sixty".