998718016 has 56 divisors (see below), whose sum is σ = 2064898080. Its totient is φ = 478848000.

The previous prime is 998718011. The next prime is 998718089. The reversal of 998718016 is 610817899.

It is not an unprimeable number, because it can be changed into a prime (998718011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151591 + ... + 158041.

It is an arithmetic number, because the mean of its divisors is an integer number (36873180).

Almost surely, 2^998718016 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 998718016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1032449040).

998718016 is an abundant number, since it is smaller than the sum of its proper divisors (1066180064).

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

998718016 is a wasteful number, since it uses less digits than its factorization.

998718016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6563 (or 6553 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 49.

The square root of 998718016 is about 31602.5001542599. The cubic root of 998718016 is about 999.5724892606.

The spelling of 998718016 in words is "nine hundred ninety-eight million, seven hundred eighteen thousand, sixteen".