316825217720 has 128 divisors (see below), whose sum is σ = 783006264000. Its totient is φ = 114418913280.

The previous prime is 316825217719. The next prime is 316825217729. The reversal of 316825217720 is 27712528613.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316825217729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98117066 + ... + 98120294.

Almost surely, 2^316825217720 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 316825217720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391503132000).

316825217720 is an abundant number, since it is smaller than the sum of its proper divisors (466181046280).

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

316825217720 is a wasteful number, since it uses less digits than its factorization.

316825217720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713 (or 4709 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 316825217720 in words is "three hundred sixteen billion, eight hundred twenty-five million, two hundred seventeen thousand, seven hundred twenty".