1859419856196 has 216 divisors, whose sum is σ = 5673261788376. Its totient is φ = 511573708800.

The previous prime is 1859419856171. The next prime is 1859419856219. The reversal of 1859419856196 is 6916589149581.

1859419856196 is a `hidden beast` number, since 1 + 8 + 59 + 4 + 1 + 9 + 8 + 561 + 9 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 185149484100 + 1674270372096 = 430290^2 + 1293936^2 .

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6184146 + ... + 6477846.

Almost surely, 2^{1859419856196} 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 1859419856196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2836630894188).

1859419856196 is an abundant number, since it is smaller than the sum of its proper divisors (3813841932180).

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

1859419856196 is a wasteful number, since it uses less digits than its factorization.

1859419856196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293859 (or 293847 counting only the distinct ones).

The product of its digits is 167961600, while the sum is 72.

It can be divided in two parts, 1859419 and 856196, that added together give a triangular number (2715615 = T₂₃₃₀).

The spelling of 1859419856196 in words is "one trillion, eight hundred fifty-nine billion, four hundred nineteen million, eight hundred fifty-six thousand, one hundred ninety-six".