666741334214 has 4 divisors (see below), whose sum is σ = 1000112001324. Its totient is φ = 333370667106.

The previous prime is 666741334187. The next prime is 666741334223. The reversal of 666741334214 is 412433147666.

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

It is a congruent number.

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, 166685333552 + ... + 166685333555.

It is an arithmetic number, because the mean of its divisors is an integer number (250028000331).

Almost surely, 2^666741334214 is an apocalyptic number.

666741334214 is a deficient number, since it is larger than the sum of its proper divisors (333370667110).

666741334214 is a wasteful number, since it uses less digits than its factorization.

666741334214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333370667109.

The product of its digits is 1741824, while the sum is 47.

The spelling of 666741334214 in words is "six hundred sixty-six billion, seven hundred forty-one million, three hundred thirty-four thousand, two hundred fourteen".