2668344268511 has 8 divisors (see below), whose sum is σ = 2710444032000. Its totient is φ = 2626369989880.

The previous prime is 2668344268493. The next prime is 2668344268517. The reversal of 2668344268511 is 1158624438662.

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 2668344268511 - 2³⁴ = 2651164399327 is a prime.

It is a super-2 number, since 2×2668344268511² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668344268517) 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, 31328351 + ... + 31413408.

It is an arithmetic number, because the mean of its divisors is an integer number (338805504000).

Almost surely, 2^{2668344268511} is an apocalyptic number.

2668344268511 is a deficient number, since it is larger than the sum of its proper divisors (42099763489).

2668344268511 is an equidigital number, since it uses as much as digits as its factorization.

2668344268511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62742429.

The product of its digits is 13271040, while the sum is 56.

The spelling of 2668344268511 in words is "two trillion, six hundred sixty-eight billion, three hundred forty-four million, two hundred sixty-eight thousand, five hundred eleven".