667367340041 has 4 divisors (see below), whose sum is σ = 688895318784. Its totient is φ = 645839361300.

The previous prime is 667367340037. The next prime is 667367340067. The reversal of 667367340041 is 140043763766.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 667367340041 - 2² = 667367340037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667367340011) 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 3 ways as a sum of consecutive naturals, for example, 10763989325 + ... + 10763989386.

It is an arithmetic number, because the mean of its divisors is an integer number (172223829696).

Almost surely, 2^667367340041 is an apocalyptic number.

It is an amenable number.

667367340041 is a deficient number, since it is larger than the sum of its proper divisors (21527978743).

667367340041 is a wasteful number, since it uses less digits than its factorization.

667367340041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21527978742.

The product of its (nonzero) digits is 1524096, while the sum is 47.

The spelling of 667367340041 in words is "six hundred sixty-seven billion, three hundred sixty-seven million, three hundred forty thousand, forty-one".