6816201118 has 4 divisors (see below), whose sum is σ = 10224301680. Its totient is φ = 3408100558.

The previous prime is 6816201107. The next prime is 6816201121. The reversal of 6816201118 is 8111026186.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×6816201118³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1704050278 + ... + 1704050281.

It is an arithmetic number, because the mean of its divisors is an integer number (2556075420).

Almost surely, 2^6816201118 is an apocalyptic number.

6816201118 is a deficient number, since it is larger than the sum of its proper divisors (3408100562).

6816201118 is a wasteful number, since it uses less digits than its factorization.

6816201118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408100561.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 6816201118 is about 82560.2877780837. The cubic root of 6816201118 is about 1896.0398697234.

The spelling of 6816201118 in words is "six billion, eight hundred sixteen million, two hundred one thousand, one hundred eighteen".