667066340333 has 32 divisors (see below), whose sum is σ = 713780520960. Its totient is φ = 622274400000.

The previous prime is 667066340189. The next prime is 667066340359. The reversal of 667066340333 is 333043660766.

It is a cyclic number.

It is not a de Polignac number, because 667066340333 - 2¹⁰ = 667066339309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667066340393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67368683 + ... + 67378583.

It is an arithmetic number, because the mean of its divisors is an integer number (22305641280).

Almost surely, 2^667066340333 is an apocalyptic number.

It is an amenable number.

667066340333 is a deficient number, since it is larger than the sum of its proper divisors (46714180627).

667066340333 is a wasteful number, since it uses less digits than its factorization.

667066340333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10509.

The product of its (nonzero) digits is 2939328, while the sum is 47.

The spelling of 667066340333 in words is "six hundred sixty-seven billion, sixty-six million, three hundred forty thousand, three hundred thirty-three".