217315130604 has 192 divisors, whose sum is σ = 606835568640. Its totient is φ = 59659649280.

The previous prime is 217315130509. The next prime is 217315130639. The reversal of 217315130604 is 406031513712.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32533737 + ... + 32540415.

It is an arithmetic number, because the mean of its divisors is an integer number (3160601920).

Almost surely, 2^217315130604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 217315130604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303417784320).

217315130604 is an abundant number, since it is smaller than the sum of its proper divisors (389520438036).

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

217315130604 is a wasteful number, since it uses less digits than its factorization.

217315130604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060 (or 7058 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 217315130604 in words is "two hundred seventeen billion, three hundred fifteen million, one hundred thirty thousand, six hundred four".