1836523673856 has 189 divisors, whose sum is σ = 5498048469361. Its totient is φ = 611979411456.

The previous prime is 1836523673843. The next prime is 1836523673879. The reversal of 1836523673856 is 6583763256381.

It is a happy number.

The square root of 1836523673856 is 1355184.

It is a perfect power (a square), and thus also a powerful number.

1836523673856 is a `hidden beast` number, since 1 + 8 + 36 + 523 + 6 + 73 + 8 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1834182662400 + 2341011456 = 1354320^2 + 48384^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1836523673793 and 1836523673802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 585437920 + ... + 585441056.

Almost surely, 2^{1836523673856} is an apocalyptic number.

1836523673856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1836523673856 is the 1355184-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1836523673856

1836523673856 is an abundant number, since it is smaller than the sum of its proper divisors (3661524795505).

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

1836523673856 is an frugal number, since it uses more digits than its factorization.

1836523673856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308 (or 3142 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 63.

The spelling of 1836523673856 in words is "one trillion, eight hundred thirty-six billion, five hundred twenty-three million, six hundred seventy-three thousand, eight hundred fifty-six".