998019144016 has 40 divisors (see below), whose sum is σ = 1996499073024. Its totient is φ = 482801009280.

The previous prime is 998019143993. The next prime is 998019144019. The reversal of 998019144016 is 610441910899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998019144019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1938945 + ... + 2399071.

Almost surely, 2^998019144016 is an apocalyptic number.

It is an amenable number.

998019144016 is an abundant number, since it is smaller than the sum of its proper divisors (998479929008).

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

998019144016 is a wasteful number, since it uses less digits than its factorization.

With its successor (998019144017) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (464533).

With its successor (998019144017) it forms an eRAP, since the sums of their prime factors are consecutive (464539 and 464540).

998019144016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464539 (or 464533 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 998019144016 in words is "nine hundred ninety-eight billion, nineteen million, one hundred forty-four thousand, sixteen".