1006646666411 has 4 divisors (see below), whose sum is σ = 1006915899000. Its totient is φ = 1006377433824.

The previous prime is 1006646666401. The next prime is 1006646666423. The reversal of 1006646666411 is 1146666466001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1006646666411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1006646666401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134610686 + ... + 134618163.

It is an arithmetic number, because the mean of its divisors is an integer number (251728974750).

Almost surely, 2^{1006646666411} is an apocalyptic number.

1006646666411 is a deficient number, since it is larger than the sum of its proper divisors (269232589).

1006646666411 is an equidigital number, since it uses as much as digits as its factorization.

1006646666411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269232588.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 1006646666411 in words is "one trillion, six billion, six hundred forty-six million, six hundred sixty-six thousand, four hundred eleven".