1867216808316 has 192 divisors, whose sum is σ = 4637771292672. Its totient is φ = 583498806528.

The previous prime is 1867216808287. The next prime is 1867216808323. The reversal of 1867216808316 is 6138086127681.

It is a happy number.

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, 1899507961 + ... + 1899508943.

It is an arithmetic number, because the mean of its divisors is an integer number (24155058816).

Almost surely, 2^{1867216808316} 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 1867216808316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2318885646336).

1867216808316 is an abundant number, since it is smaller than the sum of its proper divisors (2770554484356).

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

1867216808316 is a wasteful number, since it uses less digits than its factorization.

1867216808316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 1670 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 1867216808316 in words is "one trillion, eight hundred sixty-seven billion, two hundred sixteen million, eight hundred eight thousand, three hundred sixteen".