1608501838944 has 384 divisors, whose sum is σ = 6002609421312. Its totient is φ = 362968842240.

The previous prime is 1608501838891. The next prime is 1608501838981. The reversal of 1608501838944 is 4498381058061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1141324 + ... + 2125940.

It is an arithmetic number, because the mean of its divisors is an integer number (15631795368).

Almost surely, 2^{1608501838944} is an apocalyptic number.

1608501838944 is a gapful number since it is divisible by the number (14) 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 1608501838944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3001304710656).

1608501838944 is an abundant number, since it is smaller than the sum of its proper divisors (4394107582368).

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

1608501838944 is a wasteful number, since it uses less digits than its factorization.

1608501838944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984678 (or 984670 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 57.

The spelling of 1608501838944 in words is "one trillion, six hundred eight billion, five hundred one million, eight hundred thirty-eight thousand, nine hundred forty-four".