1806299918 has 8 divisors (see below), whose sum is σ = 2730784512. Its totient is φ = 896038416.

The previous prime is 1806299903. The next prime is 1806299921. The reversal of 1806299918 is 8199926081.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1806299918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3555455 + ... + 3555962.

It is an arithmetic number, because the mean of its divisors is an integer number (341348064).

Almost surely, 2^1806299918 is an apocalyptic number.

1806299918 is a deficient number, since it is larger than the sum of its proper divisors (924484594).

1806299918 is a wasteful number, since it uses less digits than its factorization.

1806299918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7111546.

The product of its (nonzero) digits is 559872, while the sum is 53.

The square root of 1806299918 is about 42500.5872665308. The cubic root of 1806299918 is about 1217.8579086528.

The spelling of 1806299918 in words is "one billion, eight hundred six million, two hundred ninety-nine thousand, nine hundred eighteen".