1666334414133 has 12 divisors (see below), whose sum is σ = 2414199175648. Its totient is φ = 1107533445480.

The previous prime is 1666334414113. The next prime is 1666334414141. The reversal of 1666334414133 is 3314144336661.

It is not a de Polignac number, because 1666334414133 - 2²⁴ = 1666317636917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1666334414113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279677185 + ... + 279683142.

Almost surely, 2^{1666334414133} is an apocalyptic number.

It is an amenable number.

1666334414133 is a deficient number, since it is larger than the sum of its proper divisors (747864761515).

1666334414133 is a wasteful number, since it uses less digits than its factorization.

1666334414133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559360664 (or 559360661 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 45.

The spelling of 1666334414133 in words is "one trillion, six hundred sixty-six billion, three hundred thirty-four million, four hundred fourteen thousand, one hundred thirty-three".