666674067334 has 16 divisors (see below), whose sum is σ = 1091014618176. Its totient is φ = 303007717800.

The previous prime is 666674067329. The next prime is 666674067341. The reversal of 666674067334 is 433760476666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033512 + ... + 1549675.

It is an arithmetic number, because the mean of its divisors is an integer number (68188413636).

Almost surely, 2^666674067334 is an apocalyptic number.

666674067334 is a deficient number, since it is larger than the sum of its proper divisors (424340550842).

666674067334 is a wasteful number, since it uses less digits than its factorization.

666674067334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594931.

The product of its (nonzero) digits is 54867456, while the sum is 58.

The spelling of 666674067334 in words is "six hundred sixty-six billion, six hundred seventy-four million, sixty-seven thousand, three hundred thirty-four".