173490971805216 has 432 divisors, whose sum is σ = 553246312915296. Its totient is φ = 51512150237184.

The previous prime is 173490971805121. The next prime is 173490971805227. The reversal of 173490971805216 is 612508179094371.

173490971805216 is a `hidden beast` number, since 1 + 7 + 3 + 4 + 9 + 0 + 97 + 18 + 0 + 521 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 173211000 + ... + 174209736.

It is an arithmetic number, because the mean of its divisors is an integer number (1280662761378).

It is a 1-persistent number, because it is pandigital, but 2⋅173490971805216 = 346981943610432 is not.

Almost surely, 2^{173490971805216} is an apocalyptic number.

173490971805216 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 173490971805216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276623156457648).

173490971805216 is an abundant number, since it is smaller than the sum of its proper divisors (379755341110080).

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

173490971805216 is a wasteful number, since it uses less digits than its factorization.

173490971805216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998905 (or 998881 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 63.

The spelling of 173490971805216 in words is "one hundred seventy-three trillion, four hundred ninety billion, nine hundred seventy-one million, eight hundred five thousand, two hundred sixteen".