1666676534241 has 8 divisors (see below), whose sum is σ = 2298864185280. Its totient is φ = 1072803286352.

The previous prime is 1666676534111. The next prime is 1666676534287. The reversal of 1666676534241 is 1424356766661.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1666676534241 - 2¹⁷ = 1666676403169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1666676534291) by changing a digit.

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, 9578600685 + ... + 9578600858.

It is an arithmetic number, because the mean of its divisors is an integer number (287358023160).

Almost surely, 2^{1666676534241} is an apocalyptic number.

It is an amenable number.

1666676534241 is a deficient number, since it is larger than the sum of its proper divisors (632187651039).

1666676534241 is a wasteful number, since it uses less digits than its factorization.

1666676534241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19157201575.

The product of its digits is 26127360, while the sum is 57.

The spelling of 1666676534241 in words is "one trillion, six hundred sixty-six billion, six hundred seventy-six million, five hundred thirty-four thousand, two hundred forty-one".