1836161241 has 8 divisors (see below), whose sum is σ = 2452388064. Its totient is φ = 1222020960.

The previous prime is 1836161221. The next prime is 1836161281. The reversal of 1836161241 is 1421616381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1836161241 - 2¹⁰ = 1836160217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1836161221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519580 + ... + 523101.

It is an arithmetic number, because the mean of its divisors is an integer number (306548508).

Almost surely, 2^1836161241 is an apocalyptic number.

It is an amenable number.

1836161241 is a deficient number, since it is larger than the sum of its proper divisors (616226823).

1836161241 is a wasteful number, since it uses less digits than its factorization.

1836161241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043271.

The product of its digits is 6912, while the sum is 33.

The square root of 1836161241 is about 42850.4520512911. The cubic root of 1836161241 is about 1224.5323753947.

The spelling of 1836161241 in words is "one billion, eight hundred thirty-six million, one hundred sixty-one thousand, two hundred forty-one".