998018703360 has 1120 divisors, whose sum is σ = 4177193169600. Its totient is φ = 227858448384.

The previous prime is 998018703343. The next prime is 998018703371. The reversal of 998018703360 is 63307810899.

It is a tau number, because it is divible by the number of its divisors (1120).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 998018703297 and 998018703306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1137991242 + ... + 1137992118.

Almost surely, 2^998018703360 is an apocalyptic number.

998018703360 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998018703360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2088596584800).

998018703360 is an abundant number, since it is smaller than the sum of its proper divisors (3179174466240).

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

998018703360 is an frugal number, since it uses more digits than its factorization.

998018703360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 998018703360 in words is "nine hundred ninety-eight billion, eighteen million, seven hundred three thousand, three hundred sixty".