6641116111466 has 16 divisors (see below), whose sum is σ = 10060614394920. Its totient is φ = 3287580004800.

The previous prime is 6641116111451. The next prime is 6641116111489.

6641116111466 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 4493674989241 + 2147441122225 = 2119829^2 + 1465415^2 .

It is a Curzon 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 in 7 ways as a sum of consecutive naturals, for example, 6295580 + ... + 7274376.

Almost surely, 2^{6641116111466} is an apocalyptic number.

6641116111466 is a deficient number, since it is larger than the sum of its proper divisors (3419498283454).

6641116111466 is a wasteful number, since it uses less digits than its factorization.

6641116111466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012489.

The product of its digits is 124416, while the sum is 44.

The spelling of 6641116111466 in words is "six trillion, six hundred forty-one billion, one hundred sixteen million, one hundred eleven thousand, four hundred sixty-six".