17212160550 has 96 divisors (see below), whose sum is σ = 46552020480. Its totient is φ = 4183171200.

The previous prime is 17212160549. The next prime is 17212160579. The reversal of 17212160550 is 5506121271.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98185 + ... + 209915.

It is an arithmetic number, because the mean of its divisors is an integer number (484916880).

Almost surely, 2^17212160550 is an apocalyptic number.

17212160550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 17212160550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23276010240).

17212160550 is an abundant number, since it is smaller than the sum of its proper divisors (29339859930).

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

17212160550 is a wasteful number, since it uses less digits than its factorization.

17212160550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111838 (or 111833 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 17212160550 in words is "seventeen billion, two hundred twelve million, one hundred sixty thousand, five hundred fifty".