1641163 has 8 divisors (see below), whose sum is σ = 1829520. Its totient is φ = 1463040.

The previous prime is 1641161. The next prime is 1641217. The reversal of 1641163 is 3611461.

It is a happy number.

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 1641163 - 2¹ = 1641161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1641161) 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, 2218 + ... + 2863.

It is an arithmetic number, because the mean of its divisors is an integer number (228690).

2^1641163 is an apocalyptic number.

1641163 is a deficient number, since it is larger than the sum of its proper divisors (188357).

1641163 is a wasteful number, since it uses less digits than its factorization.

1641163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5117.

The product of its digits is 432, while the sum is 22.

The square root of 1641163 is about 1281.0788422263. The cubic root of 1641163 is about 117.9552401338.

The spelling of 1641163 in words is "one million, six hundred forty-one thousand, one hundred sixty-three".