1836322506 has 48 divisors (see below), whose sum is σ = 4095779688. Its totient is φ = 594172800.

The previous prime is 1836322459. The next prime is 1836322547. The reversal of 1836322506 is 6052236381.

It is a happy number.

1836322506 is a `hidden beast` number, since 18 + 3 + 632 + 2 + 5 + 0 + 6 = 666.

1836322506 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1306171881 + 530150625 = 36141^2 + 23025^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304036 + ... + 310016.

Almost surely, 2^1836322506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1836322506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2047889844).

1836322506 is an abundant number, since it is smaller than the sum of its proper divisors (2259457182).

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

1836322506 is a wasteful number, since it uses less digits than its factorization.

1836322506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6487 (or 6484 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1836322506 is about 42852.3337287481. Note that the first 3 decimals coincide. The cubic root of 1836322506 is about 1224.5682234506.

Adding to 1836322506 its reverse (6052236381), we get a palindrome (7888558887).

The spelling of 1836322506 in words is "one billion, eight hundred thirty-six million, three hundred twenty-two thousand, five hundred six".