1836685367244 has 192 divisors, whose sum is σ = 5896608506880. Its totient is φ = 481428334080.

The previous prime is 1836685367197. The next prime is 1836685367311. The reversal of 1836685367244 is 4427635866381.

It is a happy number.

1836685367244 is a `hidden beast` number, since 1 + 8 + 36 + 68 + 536 + 7 + 2 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 1028704 + ... + 2175224.

It is an arithmetic number, because the mean of its divisors is an integer number (30711502640).

Almost surely, 2^{1836685367244} is an apocalyptic number.

1836685367244 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 1836685367244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2948304253440).

1836685367244 is an abundant number, since it is smaller than the sum of its proper divisors (4059923139636).

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

1836685367244 is a wasteful number, since it uses less digits than its factorization.

1836685367244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146717 (or 1146709 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 63.

The spelling of 1836685367244 in words is "one trillion, eight hundred thirty-six billion, six hundred eighty-five million, three hundred sixty-seven thousand, two hundred forty-four".