667315144322 has 18 divisors (see below), whose sum is σ = 1004392941993. Its totient is φ = 332521371984.

The previous prime is 667315144303. The next prime is 667315144361. The reversal of 667315144322 is 223441513766.

It can be written as a sum of positive squares in 2 ways, for example, as 432081414241 + 235233730081 = 657329^2 + 485009^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=577631.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 414738254 + ... + 414739862.

Almost surely, 2^667315144322 is an apocalyptic number.

667315144322 is a deficient number, since it is larger than the sum of its proper divisors (337077797671).

667315144322 is an frugal number, since it uses more digits than its factorization.

667315144322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938 (or 1970 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The spelling of 667315144322 in words is "six hundred sixty-seven billion, three hundred fifteen million, one hundred forty-four thousand, three hundred twenty-two".