2666123468207 has 8 divisors (see below), whose sum is σ = 2696229501120. Its totient is φ = 2636020759680.

The previous prime is 2666123468201. The next prime is 2666123468231. The reversal of 2666123468207 is 7028643216662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2666123468207 - 2⁴ = 2666123468191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666123468201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799907 + ... + 2443787.

It is an arithmetic number, because the mean of its divisors is an integer number (337028687640).

Almost surely, 2^{2666123468207} is an apocalyptic number.

2666123468207 is a deficient number, since it is larger than the sum of its proper divisors (30106032913).

2666123468207 is a wasteful number, since it uses less digits than its factorization.

2666123468207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662193.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 2666123468207 in words is "two trillion, six hundred sixty-six billion, one hundred twenty-three million, four hundred sixty-eight thousand, two hundred seven".