6818087552066 has 16 divisors (see below), whose sum is σ = 11688255848256. Its totient is φ = 2922011082576.

The previous prime is 6818087552057. The next prime is 6818087552069. The reversal of 6818087552066 is 6602557808186.

It is a happy number.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6818087552069) 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, 558476 + ... + 3734711.

It is an arithmetic number, because the mean of its divisors is an integer number (730515990516).

Almost surely, 2^{6818087552066} is an apocalyptic number.

6818087552066 is a deficient number, since it is larger than the sum of its proper divisors (4870168296190).

6818087552066 is a wasteful number, since it uses less digits than its factorization.

6818087552066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406633.

The product of its (nonzero) digits is 38707200, while the sum is 62.

The spelling of 6818087552066 in words is "six trillion, eight hundred eighteen billion, eighty-seven million, five hundred fifty-two thousand, sixty-six".