173145430416 has 160 divisors (see below), whose sum is σ = 544767418368. Its totient is φ = 46312358400.

The previous prime is 173145430363. The next prime is 173145430421. The reversal of 173145430416 is 614034541371.

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 31 ways as a sum of consecutive naturals, for example, 124866 + ... + 601566.

Almost surely, 2^173145430416 is an apocalyptic number.

173145430416 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 173145430416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272383709184).

173145430416 is an abundant number, since it is smaller than the sum of its proper divisors (371621987952).

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

173145430416 is a wasteful number, since it uses less digits than its factorization.

173145430416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476789 (or 476783 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

Adding to 173145430416 its reverse (614034541371), we get a palindrome (787179971787).

The spelling of 173145430416 in words is "one hundred seventy-three billion, one hundred forty-five million, four hundred thirty thousand, four hundred sixteen".