1836161 has 8 divisors (see below), whose sum is σ = 1928448. Its totient is φ = 1746000.

The previous prime is 1836157. The next prime is 1836239. The reversal of 1836161 is 1616381.

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

It is a cyclic number.

It is not a de Polignac number, because 1836161 - 2² = 1836157 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

1836161 is a modest number, since divided by 6161 gives 183 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1836161.

It is not an unprimeable number, because it can be changed into a prime (1836151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406 + ... + 2376.

It is an arithmetic number, because the mean of its divisors is an integer number (241056).

2^1836161 is an apocalyptic number.

It is an amenable number.

1836161 is a deficient number, since it is larger than the sum of its proper divisors (92287).

1836161 is an equidigital number, since it uses as much as digits as its factorization.

1836161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063.

The product of its digits is 864, while the sum is 26.

The square root of 1836161 is about 1355.0501835725. The cubic root of 1836161 is about 122.4532321821.

The spelling of 1836161 in words is "one million, eight hundred thirty-six thousand, one hundred sixty-one".