1641116 has 6 divisors (see below), whose sum is σ = 2871960. Its totient is φ = 820556.

The previous prime is 1641103. The next prime is 1641131. The reversal of 1641116 is 6111461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205136 + ... + 205143.

It is an arithmetic number, because the mean of its divisors is an integer number (478660).

2^1641116 is an apocalyptic number.

It is an amenable number.

1641116 is a deficient number, since it is larger than the sum of its proper divisors (1230844).

1641116 is a wasteful number, since it uses less digits than its factorization.

1641116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410283 (or 410281 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

The square root of 1641116 is about 1281.0604981811. The cubic root of 1641116 is about 117.9541141134.

Adding to 1641116 its reverse (6111461), we get a palindrome (7752577).

The spelling of 1641116 in words is "one million, six hundred forty-one thousand, one hundred sixteen".