899713518960816 has 240 divisors, whose sum is σ = 2947920605797440. Its totient is φ = 250784524984320.

The previous prime is 899713518960799. The next prime is 899713518960931. The reversal of 899713518960816 is 618069815317998.

899713518960816 is a `hidden beast` number, since 8 + 9 + 9 + 7 + 1 + 3 + 518 + 96 + 0 + 8 + 1 + 6 = 666.

It is a super-2 number, since 2×899713518960816² (a number of 31 digits) contains 22 as substring.

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, 1661652180 + ... + 1662193548.

It is an arithmetic number, because the mean of its divisors is an integer number (12283002524156).

Almost surely, 2^{899713518960816} 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 899713518960816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473960302898720).

899713518960816 is an abundant number, since it is smaller than the sum of its proper divisors (2048207086836624).

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

899713518960816 is a wasteful number, since it uses less digits than its factorization.

899713518960816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581644 (or 581635 counting only the distinct ones).

The product of its (nonzero) digits is 1410877440, while the sum is 81.

The spelling of 899713518960816 in words is "eight hundred ninety-nine trillion, seven hundred thirteen billion, five hundred eighteen million, nine hundred sixty thousand, eight hundred sixteen".