617324216320 has 304 divisors, whose sum is σ = 1722547035648. Its totient is φ = 207995535360.

The previous prime is 617324216287. The next prime is 617324216321. The reversal of 617324216320 is 23612423716.

It is a self number, because there is not a number n which added to its sum of digits gives 617324216320.

It is not an unprimeable number, because it can be changed into a prime (617324216321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559676889 + ... + 559677991.

Almost surely, 2^617324216320 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 617324216320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861273517824).

617324216320 is an abundant number, since it is smaller than the sum of its proper divisors (1105222819328).

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

617324216320 is an frugal number, since it uses more digits than its factorization.

617324216320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 617324216320 in words is "six hundred seventeen billion, three hundred twenty-four million, two hundred sixteen thousand, three hundred twenty".