6866110994 has 8 divisors (see below), whose sum is σ = 10904999868. Its totient is φ = 3231111040.

The previous prime is 6866110973. The next prime is 6866111029. The reversal of 6866110994 is 4990116686.

It can be written as a sum of positive squares in 2 ways, for example, as 6754702969 + 111408025 = 82187^2 + 10555^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100972187 + ... + 100972254.

Almost surely, 2^6866110994 is an apocalyptic number.

6866110994 is a deficient number, since it is larger than the sum of its proper divisors (4038888874).

6866110994 is a wasteful number, since it uses less digits than its factorization.

6866110994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201944460.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 6866110994 is about 82861.9996982935. Note that the first 3 decimals coincide. The cubic root of 6866110994 is about 1900.6563746998.

Adding to 6866110994 its sum of digits (50), we get a square (6866111044 = 82862²).

The spelling of 6866110994 in words is "six billion, eight hundred sixty-six million, one hundred ten thousand, nine hundred ninety-four".