667443147043 has 8 divisors (see below), whose sum is σ = 669668760560. Its totient is φ = 665218794240.

The previous prime is 667443147011. The next prime is 667443147061. The reversal of 667443147043 is 340741344766.

667443147043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 667443147043 - 2⁵ = 667443147011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667443147073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751423 + ... + 1378231.

It is an arithmetic number, because the mean of its divisors is an integer number (83708595070).

Almost surely, 2^667443147043 is an apocalyptic number.

667443147043 is a deficient number, since it is larger than the sum of its proper divisors (2225613517).

667443147043 is a wasteful number, since it uses less digits than its factorization.

667443147043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630357.

The product of its (nonzero) digits is 4064256, while the sum is 49.

The spelling of 667443147043 in words is "six hundred sixty-seven billion, four hundred forty-three million, one hundred forty-seven thousand, forty-three".