1346666668043 has 4 divisors (see below), whose sum is σ = 1346844829680. Its totient is φ = 1346488506408.

The previous prime is 1346666667979. The next prime is 1346666668073. The reversal of 1346666668043 is 3408666666431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1346666668043 - 2⁶ = 1346666667979 is a prime.

It is a super-2 number, since 2×1346666668043² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1346666668073) 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, 89069480 + ... + 89084597.

It is an arithmetic number, because the mean of its divisors is an integer number (336711207420).

Almost surely, 2^{1346666668043} is an apocalyptic number.

1346666668043 is a deficient number, since it is larger than the sum of its proper divisors (178161637).

1346666668043 is an equidigital number, since it uses as much as digits as its factorization.

1346666668043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178161636.

The product of its (nonzero) digits is 53747712, while the sum is 59.

The spelling of 1346666668043 in words is "one trillion, three hundred forty-six billion, six hundred sixty-six million, six hundred sixty-eight thousand, forty-three".