217601330460 has 24 divisors (see below), whose sum is σ = 609283725456. Its totient is φ = 58027021440.

The previous prime is 217601330413. The next prime is 217601330461. The reversal of 217601330460 is 64033106712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217601330461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1813344361 + ... + 1813344480.

It is an arithmetic number, because the mean of its divisors is an integer number (25386821894).

Almost surely, 2^217601330460 is an apocalyptic number.

217601330460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

217601330460 is an abundant number, since it is smaller than the sum of its proper divisors (391682394996).

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

217601330460 is a wasteful number, since it uses less digits than its factorization.

217601330460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626688853 (or 3626688851 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 217601330460 in words is "two hundred seventeen billion, six hundred one million, three hundred thirty thousand, four hundred sixty".