603998910816 has 144 divisors (see below), whose sum is σ = 1846032839280. Its totient is φ = 172414018560.

The previous prime is 603998910811. The next prime is 603998910847. The reversal of 603998910816 is 618019899306.

It is a self number, because there is not a number n which added to its sum of digits gives 603998910816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (603998910811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5158846 + ... + 5274626.

It is an arithmetic number, because the mean of its divisors is an integer number (12819672495).

Almost surely, 2^603998910816 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 603998910816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923016419640).

603998910816 is an abundant number, since it is smaller than the sum of its proper divisors (1242033928464).

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

603998910816 is a wasteful number, since it uses less digits than its factorization.

603998910816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116917 (or 116902 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 60.

The spelling of 603998910816 in words is "six hundred three billion, nine hundred ninety-eight million, nine hundred ten thousand, eight hundred sixteen".