1916937053808 has 640 divisors, whose sum is σ = 6180084449280. Its totient is φ = 500205404160.

The previous prime is 1916937053803. The next prime is 1916937053827. The reversal of 1916937053808 is 8083507396191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916937053803) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4140252585 + ... + 4140253047.

It is an arithmetic number, because the mean of its divisors is an integer number (9656381952).

Almost surely, 2^{1916937053808} 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 1916937053808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3090042224640).

1916937053808 is an abundant number, since it is smaller than the sum of its proper divisors (4263147395472).

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

1916937053808 is a wasteful number, since it uses less digits than its factorization.

1916937053808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 1916937053808 in words is "one trillion, nine hundred sixteen billion, nine hundred thirty-seven million, fifty-three thousand, eight hundred eight".