1806612113 has 8 divisors (see below), whose sum is σ = 1862880768. Its totient is φ = 1751165104.

The previous prime is 1806612109. The next prime is 1806612221. The reversal of 1806612113 is 3112166081.

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 1806612113 - 2² = 1806612109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1806612713) 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, 200945 + ... + 209742.

It is an arithmetic number, because the mean of its divisors is an integer number (232860096).

Almost surely, 2^1806612113 is an apocalyptic number.

It is an amenable number.

1806612113 is a deficient number, since it is larger than the sum of its proper divisors (56268655).

1806612113 is an equidigital number, since it uses as much as digits as its factorization.

1806612113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410823.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1806612113 is about 42504.2599394461. The cubic root of 1806612113 is about 1217.9280681436.

Adding to 1806612113 its reverse (3112166081), we get a palindrome (4918778194).

The spelling of 1806612113 in words is "one billion, eight hundred six million, six hundred twelve thousand, one hundred thirteen".