66667670704334 has 16 divisors (see below), whose sum is σ = 114298319226336. Its totient is φ = 28569137940000.

The previous prime is 66667670704319. The next prime is 66667670704357. The reversal of 66667670704334 is 43340707676666.

It is a Curzon number.

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, 226592177 + ... + 226886204.

It is an arithmetic number, because the mean of its divisors is an integer number (7143644951646).

Almost surely, 2^{66667670704334} is an apocalyptic number.

66667670704334 is a deficient number, since it is larger than the sum of its proper divisors (47630648522002).

66667670704334 is a wasteful number, since it uses less digits than its factorization.

66667670704334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453488891.

The product of its (nonzero) digits is 384072192, while the sum is 65.

The spelling of 66667670704334 in words is "sixty-six trillion, six hundred sixty-seven billion, six hundred seventy million, seven hundred four thousand, three hundred thirty-four".