667367040706 has 4 divisors (see below), whose sum is σ = 1001050561062. Its totient is φ = 333683520352.

The previous prime is 667367040619. The next prime is 667367040727. The reversal of 667367040706 is 607040763766.

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

It can be written as a sum of positive squares in only one way, i.e., 625192257481 + 42174783225 = 790691^2 + 205365^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166841760175 + ... + 166841760178.

Almost surely, 2^667367040706 is an apocalyptic number.

667367040706 is a deficient number, since it is larger than the sum of its proper divisors (333683520356).

667367040706 is a wasteful number, since it uses less digits than its factorization.

667367040706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333683520355.

The product of its (nonzero) digits is 5334336, while the sum is 52.

The spelling of 667367040706 in words is "six hundred sixty-seven billion, three hundred sixty-seven million, forty thousand, seven hundred six".