6668336256734 has 4 divisors (see below), whose sum is σ = 10002504385104. Its totient is φ = 3334168128366.

The previous prime is 6668336256727. The next prime is 6668336256763. The reversal of 6668336256734 is 4376526338666.

It is a happy number.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 1667084064182 + ... + 1667084064185.

It is an arithmetic number, because the mean of its divisors is an integer number (2500626096276).

Almost surely, 2^{6668336256734} is an apocalyptic number.

6668336256734 is a deficient number, since it is larger than the sum of its proper divisors (3334168128370).

6668336256734 is a wasteful number, since it uses less digits than its factorization.

6668336256734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334168128369.

The product of its digits is 470292480, while the sum is 65.

The spelling of 6668336256734 in words is "six trillion, six hundred sixty-eight billion, three hundred thirty-six million, two hundred fifty-six thousand, seven hundred thirty-four".