666673333334 has 4 divisors (see below), whose sum is σ = 1000010000004. Its totient is φ = 333336666666.

The previous prime is 666673333331. The next prime is 666673333433. The reversal of 666673333334 is 433333376666.

It is a happy number.

666673333334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666673333331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166668333332 + ... + 166668333335.

It is an arithmetic number, because the mean of its divisors is an integer number (250002500001).

Almost surely, 2^666673333334 is an apocalyptic number.

666673333334 is a deficient number, since it is larger than the sum of its proper divisors (333336666670).

666673333334 is a wasteful number, since it uses less digits than its factorization.

666673333334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333336666669.

The product of its digits is 26453952, while the sum is 53.

The spelling of 666673333334 in words is "six hundred sixty-six billion, six hundred seventy-three million, three hundred thirty-three thousand, three hundred thirty-four".