1812065606 has 32 divisors (see below), whose sum is σ = 3087840000. Its totient is φ = 790624800.

The previous prime is 1812065579. The next prime is 1812065657. The reversal of 1812065606 is 6065602181.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242831 + ... + 250181.

It is an arithmetic number, because the mean of its divisors is an integer number (96495000).

Almost surely, 2^1812065606 is an apocalyptic number.

1812065606 is a deficient number, since it is larger than the sum of its proper divisors (1275774394).

1812065606 is a wasteful number, since it uses less digits than its factorization.

1812065606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7884.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1812065606 is about 42568.3639103032. The cubic root of 1812065606 is about 1219.1523283899.

Adding to 1812065606 its reverse (6065602181), we get a palindrome (7877667787).

The spelling of 1812065606 in words is "one billion, eight hundred twelve million, sixty-five thousand, six hundred six".