1611411466666 has 8 divisors (see below), whose sum is σ = 2417122587204. Its totient is φ = 805703937600.

The previous prime is 1611411466631. The next prime is 1611411466673. The reversal of 1611411466666 is 6666641141161.

It can be written as a sum of positive squares in 2 ways, for example, as 1598214282025 + 13197184641 = 1264205^2 + 114879^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293216 + ... + 2212516.

Almost surely, 2^{1611411466666} is an apocalyptic number.

1611411466666 is a deficient number, since it is larger than the sum of its proper divisors (805711120538).

1611411466666 is an equidigital number, since it uses as much as digits as its factorization.

1611411466666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795736.

The product of its digits is 746496, while the sum is 49.

The spelling of 1611411466666 in words is "one trillion, six hundred eleven billion, four hundred eleven million, four hundred sixty-six thousand, six hundred sixty-six".