1666674080143 has 8 divisors (see below), whose sum is σ = 1739158389216. Its totient is φ = 1594191456000.

The previous prime is 1666674080101. The next prime is 1666674080167. The reversal of 1666674080143 is 3410804766661.

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

It is a de Polignac number, because none of the positive numbers 2^k-1666674080143 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 (1666674080543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1863943 + ... + 2609143.

It is an arithmetic number, because the mean of its divisors is an integer number (217394798652).

Almost surely, 2^{1666674080143} is an apocalyptic number.

1666674080143 is a deficient number, since it is larger than the sum of its proper divisors (72484309073).

1666674080143 is an equidigital number, since it uses as much as digits as its factorization.

1666674080143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842465.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 1666674080143 in words is "one trillion, six hundred sixty-six billion, six hundred seventy-four million, eighty thousand, one hundred forty-three".